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Finding the Fourth Proportional to 66,356.67, 99,476.24 and 47,589.51

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Solution

The fourth proportional to 66,356.67, 99,476.24 and 47,589.51 is: 71,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,356.67 : 99,476.24 = 47,589.51 : x
  2. Step 2: Convert to fraction form
    66,356.67/99,476.24 = 47,589.51/x
  3. Step 3: Cross multiply
    66,356.67x = 99,476.24 × 47,589.51
  4. Step 4: Simplify right side
    66,356.67x = 4,734,025,280.29
  5. Step 5: Solve for x
    x = 4,734,025,280.29/66,356.67
  6. Step 6: Final answer
    x = 71,342.12

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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.