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Finding the Fourth Proportional to 48,657.58, 72,953.97 and 17,488.78

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Solution

The fourth proportional to 48,657.58, 72,953.97 and 17,488.78 is: 26,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.58 : 72,953.97 = 17,488.78 : x
  2. Step 2: Convert to fraction form
    48,657.58/72,953.97 = 17,488.78/x
  3. Step 3: Cross multiply
    48,657.58x = 72,953.97 × 17,488.78
  4. Step 4: Simplify right side
    48,657.58x = 1,275,875,931.46
  5. Step 5: Solve for x
    x = 1,275,875,931.46/48,657.58
  6. Step 6: Final answer
    x = 26,221.52

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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.