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Finding the Fourth Proportional to 51,498.90, 77,305.95 and 48,114.90

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Solution

The fourth proportional to 51,498.90, 77,305.95 and 48,114.90 is: 72,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,498.90 : 77,305.95 = 48,114.90 : x
  2. Step 2: Convert to fraction form
    51,498.90/77,305.95 = 48,114.90/x
  3. Step 3: Cross multiply
    51,498.90x = 77,305.95 × 48,114.90
  4. Step 4: Simplify right side
    51,498.90x = 3,719,568,053.66
  5. Step 5: Solve for x
    x = 3,719,568,053.66/51,498.90
  6. Step 6: Final answer
    x = 72,226.17

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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.