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Finding the Fourth Proportional to 66,787.77, 92,210.15 and 59,605.30

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Solution

The fourth proportional to 66,787.77, 92,210.15 and 59,605.30 is: 82,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.77 : 92,210.15 = 59,605.30 : x
  2. Step 2: Convert to fraction form
    66,787.77/92,210.15 = 59,605.30/x
  3. Step 3: Cross multiply
    66,787.77x = 92,210.15 × 59,605.30
  4. Step 4: Simplify right side
    66,787.77x = 5,496,213,582.79
  5. Step 5: Solve for x
    x = 5,496,213,582.79/66,787.77
  6. Step 6: Final answer
    x = 82,293.71

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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.