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Finding the Fourth Proportional to 14,908.47, 22,351.95 and 7,518.14

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Solution

The fourth proportional to 14,908.47, 22,351.95 and 7,518.14 is: 11,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.47 : 22,351.95 = 7,518.14 : x
  2. Step 2: Convert to fraction form
    14,908.47/22,351.95 = 7,518.14/x
  3. Step 3: Cross multiply
    14,908.47x = 22,351.95 × 7,518.14
  4. Step 4: Simplify right side
    14,908.47x = 168,044,977.61
  5. Step 5: Solve for x
    x = 168,044,977.61/14,908.47
  6. Step 6: Final answer
    x = 11,271.78

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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.