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Finding the Fourth Proportional to 14,917.40, 22,360.98 and 5,053.40

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Solution

The fourth proportional to 14,917.40, 22,360.98 and 5,053.40 is: 7,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.40 : 22,360.98 = 5,053.40 : x
  2. Step 2: Convert to fraction form
    14,917.40/22,360.98 = 5,053.40/x
  3. Step 3: Cross multiply
    14,917.40x = 22,360.98 × 5,053.40
  4. Step 4: Simplify right side
    14,917.40x = 112,998,976.33
  5. Step 5: Solve for x
    x = 112,998,976.33/14,917.40
  6. Step 6: Final answer
    x = 7,574.98

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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.