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Finding the Fourth Proportional to 62,727.66, 86,444.69 and 61,574.74

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Solution

The fourth proportional to 62,727.66, 86,444.69 and 61,574.74 is: 84,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,727.66 : 86,444.69 = 61,574.74 : x
  2. Step 2: Convert to fraction form
    62,727.66/86,444.69 = 61,574.74/x
  3. Step 3: Cross multiply
    62,727.66x = 86,444.69 × 61,574.74
  4. Step 4: Simplify right side
    62,727.66x = 5,322,808,787.15
  5. Step 5: Solve for x
    x = 5,322,808,787.15/62,727.66
  6. Step 6: Final answer
    x = 84,855.85

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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.