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Finding the Fourth Proportional to 59,969.92, 89,510.08 and 51,928.80

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Solution

The fourth proportional to 59,969.92, 89,510.08 and 51,928.80 is: 77,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.92 : 89,510.08 = 51,928.80 : x
  2. Step 2: Convert to fraction form
    59,969.92/89,510.08 = 51,928.80/x
  3. Step 3: Cross multiply
    59,969.92x = 89,510.08 × 51,928.80
  4. Step 4: Simplify right side
    59,969.92x = 4,648,151,042.30
  5. Step 5: Solve for x
    x = 4,648,151,042.30/59,969.92
  6. Step 6: Final answer
    x = 77,508.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.