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Finding the Fourth Proportional to 60,737.16, 83,725.80 and 47,284.68

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Solution

The fourth proportional to 60,737.16, 83,725.80 and 47,284.68 is: 65,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,737.16 : 83,725.80 = 47,284.68 : x
  2. Step 2: Convert to fraction form
    60,737.16/83,725.80 = 47,284.68/x
  3. Step 3: Cross multiply
    60,737.16x = 83,725.80 × 47,284.68
  4. Step 4: Simplify right side
    60,737.16x = 3,958,947,660.74
  5. Step 5: Solve for x
    x = 3,958,947,660.74/60,737.16
  6. Step 6: Final answer
    x = 65,181.64

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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.