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Finding the Fourth Proportional to 22,101.40, 33,152.10 and 14,681.80

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Solution

The fourth proportional to 22,101.40, 33,152.10 and 14,681.80 is: 22,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.40 : 33,152.10 = 14,681.80 : x
  2. Step 2: Convert to fraction form
    22,101.40/33,152.10 = 14,681.80/x
  3. Step 3: Cross multiply
    22,101.40x = 33,152.10 × 14,681.80
  4. Step 4: Simplify right side
    22,101.40x = 486,732,501.78
  5. Step 5: Solve for x
    x = 486,732,501.78/22,101.40
  6. Step 6: Final answer
    x = 22,022.70

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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.