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Finding the Fourth Proportional to 62,970.60, 94,471.38 and 18,597.12

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Solution

The fourth proportional to 62,970.60, 94,471.38 and 18,597.12 is: 27,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.60 : 94,471.38 = 18,597.12 : x
  2. Step 2: Convert to fraction form
    62,970.60/94,471.38 = 18,597.12/x
  3. Step 3: Cross multiply
    62,970.60x = 94,471.38 × 18,597.12
  4. Step 4: Simplify right side
    62,970.60x = 1,756,895,590.43
  5. Step 5: Solve for x
    x = 1,756,895,590.43/62,970.60
  6. Step 6: Final answer
    x = 27,900.25

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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.