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Finding the Fourth Proportional to 59,807.70, 89,711.55 and 51,351.30

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Solution

The fourth proportional to 59,807.70, 89,711.55 and 51,351.30 is: 77,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,807.70 : 89,711.55 = 51,351.30 : x
  2. Step 2: Convert to fraction form
    59,807.70/89,711.55 = 51,351.30/x
  3. Step 3: Cross multiply
    59,807.70x = 89,711.55 × 51,351.30
  4. Step 4: Simplify right side
    59,807.70x = 4,606,804,717.52
  5. Step 5: Solve for x
    x = 4,606,804,717.52/59,807.70
  6. Step 6: Final answer
    x = 77,026.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.