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Finding the Fourth Proportional to 67,700.70, 93,397.55 and 40,828.27

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Solution

The fourth proportional to 67,700.70, 93,397.55 and 40,828.27 is: 56,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,700.70 : 93,397.55 = 40,828.27 : x
  2. Step 2: Convert to fraction form
    67,700.70/93,397.55 = 40,828.27/x
  3. Step 3: Cross multiply
    67,700.70x = 93,397.55 × 40,828.27
  4. Step 4: Simplify right side
    67,700.70x = 3,813,260,388.74
  5. Step 5: Solve for x
    x = 3,813,260,388.74/67,700.70
  6. Step 6: Final answer
    x = 56,325.27

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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.