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Finding the Fourth Proportional to 64,167.34, 88,554.29 and 38,681.79

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Solution

The fourth proportional to 64,167.34, 88,554.29 and 38,681.79 is: 53,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.34 : 88,554.29 = 38,681.79 : x
  2. Step 2: Convert to fraction form
    64,167.34/88,554.29 = 38,681.79/x
  3. Step 3: Cross multiply
    64,167.34x = 88,554.29 × 38,681.79
  4. Step 4: Simplify right side
    64,167.34x = 3,425,438,449.38
  5. Step 5: Solve for x
    x = 3,425,438,449.38/64,167.34
  6. Step 6: Final answer
    x = 53,382.90

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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.