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Finding the Fourth Proportional to 64,937.40, 89,614.26 and 38,095.80

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Solution

The fourth proportional to 64,937.40, 89,614.26 and 38,095.80 is: 52,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,937.40 : 89,614.26 = 38,095.80 : x
  2. Step 2: Convert to fraction form
    64,937.40/89,614.26 = 38,095.80/x
  3. Step 3: Cross multiply
    64,937.40x = 89,614.26 × 38,095.80
  4. Step 4: Simplify right side
    64,937.40x = 3,413,926,926.11
  5. Step 5: Solve for x
    x = 3,413,926,926.11/64,937.40
  6. Step 6: Final answer
    x = 52,572.58

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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.