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Finding the Fourth Proportional to 22,549.48, 31,125.48 and 15,836.76

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Solution

The fourth proportional to 22,549.48, 31,125.48 and 15,836.76 is: 21,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.48 : 31,125.48 = 15,836.76 : x
  2. Step 2: Convert to fraction form
    22,549.48/31,125.48 = 15,836.76/x
  3. Step 3: Cross multiply
    22,549.48x = 31,125.48 × 15,836.76
  4. Step 4: Simplify right side
    22,549.48x = 492,926,756.64
  5. Step 5: Solve for x
    x = 492,926,756.64/22,549.48
  6. Step 6: Final answer
    x = 21,859.78

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Double scale
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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.