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Finding the Fourth Proportional to 22,262.98, 30,710.13 and 14,710.54

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Solution

The fourth proportional to 22,262.98, 30,710.13 and 14,710.54 is: 20,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.98 : 30,710.13 = 14,710.54 : x
  2. Step 2: Convert to fraction form
    22,262.98/30,710.13 = 14,710.54/x
  3. Step 3: Cross multiply
    22,262.98x = 30,710.13 × 14,710.54
  4. Step 4: Simplify right side
    22,262.98x = 451,762,595.77
  5. Step 5: Solve for x
    x = 451,762,595.77/22,262.98
  6. Step 6: Final answer
    x = 20,292.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.