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Finding the Fourth Proportional to 24,981, 34,473.78 and 13,803.72

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Solution

The fourth proportional to 24,981, 34,473.78 and 13,803.72 is: 19,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,981 : 34,473.78 = 13,803.72 : x
  2. Step 2: Convert to fraction form
    24,981/34,473.78 = 13,803.72/x
  3. Step 3: Cross multiply
    24,981x = 34,473.78 × 13,803.72
  4. Step 4: Simplify right side
    24,981x = 475,866,406.46
  5. Step 5: Solve for x
    x = 475,866,406.46/24,981
  6. Step 6: Final answer
    x = 19,049.13

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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.