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Finding the Fourth Proportional to 63,164.46, 87,164.70 and 38,009.10

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Solution

The fourth proportional to 63,164.46, 87,164.70 and 38,009.10 is: 52,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.46 : 87,164.70 = 38,009.10 : x
  2. Step 2: Convert to fraction form
    63,164.46/87,164.70 = 38,009.10/x
  3. Step 3: Cross multiply
    63,164.46x = 87,164.70 × 38,009.10
  4. Step 4: Simplify right side
    63,164.46x = 3,313,051,798.77
  5. Step 5: Solve for x
    x = 3,313,051,798.77/63,164.46
  6. Step 6: Final answer
    x = 52,451.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.