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Finding the Fourth Proportional to 72,952.56, 100,693.65 and 47,528.70

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Solution

The fourth proportional to 72,952.56, 100,693.65 and 47,528.70 is: 65,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,952.56 : 100,693.65 = 47,528.70 : x
  2. Step 2: Convert to fraction form
    72,952.56/100,693.65 = 47,528.70/x
  3. Step 3: Cross multiply
    72,952.56x = 100,693.65 × 47,528.70
  4. Step 4: Simplify right side
    72,952.56x = 4,785,838,282.76
  5. Step 5: Solve for x
    x = 4,785,838,282.76/72,952.56
  6. Step 6: Final answer
    x = 65,602.06

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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.