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Finding the Fourth Proportional to 60,006.80, 89,815.80 and 42,510.80

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Solution

The fourth proportional to 60,006.80, 89,815.80 and 42,510.80 is: 63,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,006.80 : 89,815.80 = 42,510.80 : x
  2. Step 2: Convert to fraction form
    60,006.80/89,815.80 = 42,510.80/x
  3. Step 3: Cross multiply
    60,006.80x = 89,815.80 × 42,510.80
  4. Step 4: Simplify right side
    60,006.80x = 3,818,141,510.64
  5. Step 5: Solve for x
    x = 3,818,141,510.64/60,006.80
  6. Step 6: Final answer
    x = 63,628.48

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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.