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Finding the Fourth Proportional to 66,717.92, 92,070.78 and 36,502.76

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Solution

The fourth proportional to 66,717.92, 92,070.78 and 36,502.76 is: 50,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.92 : 92,070.78 = 36,502.76 : x
  2. Step 2: Convert to fraction form
    66,717.92/92,070.78 = 36,502.76/x
  3. Step 3: Cross multiply
    66,717.92x = 92,070.78 × 36,502.76
  4. Step 4: Simplify right side
    66,717.92x = 3,360,837,585.35
  5. Step 5: Solve for x
    x = 3,360,837,585.35/66,717.92
  6. Step 6: Final answer
    x = 50,373.84

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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.