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Finding the Fourth Proportional to 14,859.87, 22,281.30 and 6,090

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Solution

The fourth proportional to 14,859.87, 22,281.30 and 6,090 is: 9,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.87 : 22,281.30 = 6,090 : x
  2. Step 2: Convert to fraction form
    14,859.87/22,281.30 = 6,090/x
  3. Step 3: Cross multiply
    14,859.87x = 22,281.30 × 6,090
  4. Step 4: Simplify right side
    14,859.87x = 135,693,117
  5. Step 5: Solve for x
    x = 135,693,117/14,859.87
  6. Step 6: Final answer
    x = 9,131.51

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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.