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Finding the Fourth Proportional to 64,717.60, 89,316.32 and 37,858.41

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Solution

The fourth proportional to 64,717.60, 89,316.32 and 37,858.41 is: 52,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.60 : 89,316.32 = 37,858.41 : x
  2. Step 2: Convert to fraction form
    64,717.60/89,316.32 = 37,858.41/x
  3. Step 3: Cross multiply
    64,717.60x = 89,316.32 × 37,858.41
  4. Step 4: Simplify right side
    64,717.60x = 3,381,373,226.38
  5. Step 5: Solve for x
    x = 3,381,373,226.38/64,717.60
  6. Step 6: Final answer
    x = 52,248.12

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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.