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Finding the Fourth Proportional to 59,875.20, 89,812.80 and 54,334.80

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Solution

The fourth proportional to 59,875.20, 89,812.80 and 54,334.80 is: 81,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,875.20 : 89,812.80 = 54,334.80 : x
  2. Step 2: Convert to fraction form
    59,875.20/89,812.80 = 54,334.80/x
  3. Step 3: Cross multiply
    59,875.20x = 89,812.80 × 54,334.80
  4. Step 4: Simplify right side
    59,875.20x = 4,879,960,525.44
  5. Step 5: Solve for x
    x = 4,879,960,525.44/59,875.20
  6. Step 6: Final answer
    x = 81,502.20

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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.