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Finding the Fourth Proportional to 59,285.42, 81,812.99 and 35,407.48

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Solution

The fourth proportional to 59,285.42, 81,812.99 and 35,407.48 is: 48,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,285.42 : 81,812.99 = 35,407.48 : x
  2. Step 2: Convert to fraction form
    59,285.42/81,812.99 = 35,407.48/x
  3. Step 3: Cross multiply
    59,285.42x = 81,812.99 × 35,407.48
  4. Step 4: Simplify right side
    59,285.42x = 2,896,791,425.60
  5. Step 5: Solve for x
    x = 2,896,791,425.60/59,285.42
  6. Step 6: Final answer
    x = 48,861.79

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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.