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Finding the Fourth Proportional to 48,225.80, 72,338.70 and 14,945.80

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Solution

The fourth proportional to 48,225.80, 72,338.70 and 14,945.80 is: 22,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,225.80 : 72,338.70 = 14,945.80 : x
  2. Step 2: Convert to fraction form
    48,225.80/72,338.70 = 14,945.80/x
  3. Step 3: Cross multiply
    48,225.80x = 72,338.70 × 14,945.80
  4. Step 4: Simplify right side
    48,225.80x = 1,081,159,742.46
  5. Step 5: Solve for x
    x = 1,081,159,742.46/48,225.80
  6. Step 6: Final answer
    x = 22,418.70

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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.