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Finding the Fourth Proportional to 18,267.53, 27,384.89 and 9,508.59

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Solution

The fourth proportional to 18,267.53, 27,384.89 and 9,508.59 is: 14,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.53 : 27,384.89 = 9,508.59 : x
  2. Step 2: Convert to fraction form
    18,267.53/27,384.89 = 9,508.59/x
  3. Step 3: Cross multiply
    18,267.53x = 27,384.89 × 9,508.59
  4. Step 4: Simplify right side
    18,267.53x = 260,391,643.66
  5. Step 5: Solve for x
    x = 260,391,643.66/18,267.53
  6. Step 6: Final answer
    x = 14,254.35

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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.