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Finding the Fourth Proportional to 58,952.20, 88,428.30 and 47,288.20

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Solution

The fourth proportional to 58,952.20, 88,428.30 and 47,288.20 is: 70,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,952.20 : 88,428.30 = 47,288.20 : x
  2. Step 2: Convert to fraction form
    58,952.20/88,428.30 = 47,288.20/x
  3. Step 3: Cross multiply
    58,952.20x = 88,428.30 × 47,288.20
  4. Step 4: Simplify right side
    58,952.20x = 4,181,615,136.06
  5. Step 5: Solve for x
    x = 4,181,615,136.06/58,952.20
  6. Step 6: Final answer
    x = 70,932.30

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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.