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Finding the Fourth Proportional to 16,122.74, 22,253.01 and 10,530.50

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Solution

The fourth proportional to 16,122.74, 22,253.01 and 10,530.50 is: 14,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.74 : 22,253.01 = 10,530.50 : x
  2. Step 2: Convert to fraction form
    16,122.74/22,253.01 = 10,530.50/x
  3. Step 3: Cross multiply
    16,122.74x = 22,253.01 × 10,530.50
  4. Step 4: Simplify right side
    16,122.74x = 234,335,321.81
  5. Step 5: Solve for x
    x = 234,335,321.81/16,122.74
  6. Step 6: Final answer
    x = 14,534.46

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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.