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Finding the Fourth Proportional to 17,812.32, 26,742.78 and 9,053.43

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Solution

The fourth proportional to 17,812.32, 26,742.78 and 9,053.43 is: 13,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.32 : 26,742.78 = 9,053.43 : x
  2. Step 2: Convert to fraction form
    17,812.32/26,742.78 = 9,053.43/x
  3. Step 3: Cross multiply
    17,812.32x = 26,742.78 × 9,053.43
  4. Step 4: Simplify right side
    17,812.32x = 242,113,886.74
  5. Step 5: Solve for x
    x = 242,113,886.74/17,812.32
  6. Step 6: Final answer
    x = 13,592.50

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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.