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Finding the Fourth Proportional to 48,561.12, 66,947.04 and 37,772.46

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Solution

The fourth proportional to 48,561.12, 66,947.04 and 37,772.46 is: 52,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561.12 : 66,947.04 = 37,772.46 : x
  2. Step 2: Convert to fraction form
    48,561.12/66,947.04 = 37,772.46/x
  3. Step 3: Cross multiply
    48,561.12x = 66,947.04 × 37,772.46
  4. Step 4: Simplify right side
    48,561.12x = 2,528,754,390.52
  5. Step 5: Solve for x
    x = 2,528,754,390.52/48,561.12
  6. Step 6: Final answer
    x = 52,073.64

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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.