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Finding the Fourth Proportional to 24,681.76, 34,061.64 and 13,503.76

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Solution

The fourth proportional to 24,681.76, 34,061.64 and 13,503.76 is: 18,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,681.76 : 34,061.64 = 13,503.76 : x
  2. Step 2: Convert to fraction form
    24,681.76/34,061.64 = 13,503.76/x
  3. Step 3: Cross multiply
    24,681.76x = 34,061.64 × 13,503.76
  4. Step 4: Simplify right side
    24,681.76x = 459,960,211.77
  5. Step 5: Solve for x
    x = 459,960,211.77/24,681.76
  6. Step 6: Final answer
    x = 18,635.63

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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.