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Finding the Fourth Proportional to 75,596.68, 104,277.54 and 47,279.08

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Solution

The fourth proportional to 75,596.68, 104,277.54 and 47,279.08 is: 65,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,596.68 : 104,277.54 = 47,279.08 : x
  2. Step 2: Convert to fraction form
    75,596.68/104,277.54 = 47,279.08/x
  3. Step 3: Cross multiply
    75,596.68x = 104,277.54 × 47,279.08
  4. Step 4: Simplify right side
    75,596.68x = 4,930,146,155.86
  5. Step 5: Solve for x
    x = 4,930,146,155.86/75,596.68
  6. Step 6: Final answer
    x = 65,216.44

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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.