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Finding the Fourth Proportional to 63,622.60, 87,783.42 and 38,133.04

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Solution

The fourth proportional to 63,622.60, 87,783.42 and 38,133.04 is: 52,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,622.60 : 87,783.42 = 38,133.04 : x
  2. Step 2: Convert to fraction form
    63,622.60/87,783.42 = 38,133.04/x
  3. Step 3: Cross multiply
    63,622.60x = 87,783.42 × 38,133.04
  4. Step 4: Simplify right side
    63,622.60x = 3,347,448,666.20
  5. Step 5: Solve for x
    x = 3,347,448,666.20/63,622.60
  6. Step 6: Final answer
    x = 52,614.14

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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.