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Finding the Fourth Proportional to 63,554.62, 87,709.02 and 38,412.22

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Solution

The fourth proportional to 63,554.62, 87,709.02 and 38,412.22 is: 53,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,554.62 : 87,709.02 = 38,412.22 : x
  2. Step 2: Convert to fraction form
    63,554.62/87,709.02 = 38,412.22/x
  3. Step 3: Cross multiply
    63,554.62x = 87,709.02 × 38,412.22
  4. Step 4: Simplify right side
    63,554.62x = 3,369,098,172.22
  5. Step 5: Solve for x
    x = 3,369,098,172.22/63,554.62
  6. Step 6: Final answer
    x = 53,011.07

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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.