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Finding the Fourth Proportional to 13,802,364.90, 20,703,547.35 and 13,802,364.90

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Solution

The fourth proportional to 13,802,364.90, 20,703,547.35 and 13,802,364.90 is: 20,703,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,364.90 : 20,703,547.35 = 13,802,364.90 : x
  2. Step 2: Convert to fraction form
    13,802,364.90/20,703,547.35 = 13,802,364.90/x
  3. Step 3: Cross multiply
    13,802,364.90x = 20,703,547.35 × 13,802,364.90
  4. Step 4: Simplify right side
    13,802,364.90x = 285,757,915,249,128.06
  5. Step 5: Solve for x
    x = 285,757,915,249,128.06/13,802,364.90
  6. Step 6: Final answer
    x = 20,703,547.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.