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Finding the Fourth Proportional to 19,547.82, 29,320.28 and 6,220.28

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Solution

The fourth proportional to 19,547.82, 29,320.28 and 6,220.28 is: 9,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.82 : 29,320.28 = 6,220.28 : x
  2. Step 2: Convert to fraction form
    19,547.82/29,320.28 = 6,220.28/x
  3. Step 3: Cross multiply
    19,547.82x = 29,320.28 × 6,220.28
  4. Step 4: Simplify right side
    19,547.82x = 182,380,416.80
  5. Step 5: Solve for x
    x = 182,380,416.80/19,547.82
  6. Step 6: Final answer
    x = 9,329.96

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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.