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Finding the Fourth Proportional to 64,613.60, 89,153.68 and 37,750.92

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Solution

The fourth proportional to 64,613.60, 89,153.68 and 37,750.92 is: 52,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.60 : 89,153.68 = 37,750.92 : x
  2. Step 2: Convert to fraction form
    64,613.60/89,153.68 = 37,750.92/x
  3. Step 3: Cross multiply
    64,613.60x = 89,153.68 × 37,750.92
  4. Step 4: Simplify right side
    64,613.60x = 3,365,633,441.39
  5. Step 5: Solve for x
    x = 3,365,633,441.39/64,613.60
  6. Step 6: Final answer
    x = 52,088.62

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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.