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Finding the Fourth Proportional to 92,757.93, 128,005.99 and 52,470.84

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Solution

The fourth proportional to 92,757.93, 128,005.99 and 52,470.84 is: 72,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,757.93 : 128,005.99 = 52,470.84 : x
  2. Step 2: Convert to fraction form
    92,757.93/128,005.99 = 52,470.84/x
  3. Step 3: Cross multiply
    92,757.93x = 128,005.99 × 52,470.84
  4. Step 4: Simplify right side
    92,757.93x = 6,716,581,449.14
  5. Step 5: Solve for x
    x = 6,716,581,449.14/92,757.93
  6. Step 6: Final answer
    x = 72,409.78

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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.