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Finding the Fourth Proportional to 72,952.02, 100,698.91 and 42,747.12

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Solution

The fourth proportional to 72,952.02, 100,698.91 and 42,747.12 is: 59,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,952.02 : 100,698.91 = 42,747.12 : x
  2. Step 2: Convert to fraction form
    72,952.02/100,698.91 = 42,747.12/x
  3. Step 3: Cross multiply
    72,952.02x = 100,698.91 × 42,747.12
  4. Step 4: Simplify right side
    72,952.02x = 4,304,587,886.14
  5. Step 5: Solve for x
    x = 4,304,587,886.14/72,952.02
  6. Step 6: Final answer
    x = 59,005.74

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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.