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Finding the Fourth Proportional to 24,878.42, 34,330.66 and 13,700.42

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Solution

The fourth proportional to 24,878.42, 34,330.66 and 13,700.42 is: 18,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,878.42 : 34,330.66 = 13,700.42 : x
  2. Step 2: Convert to fraction form
    24,878.42/34,330.66 = 13,700.42/x
  3. Step 3: Cross multiply
    24,878.42x = 34,330.66 × 13,700.42
  4. Step 4: Simplify right side
    24,878.42x = 470,344,220.72
  5. Step 5: Solve for x
    x = 470,344,220.72/24,878.42
  6. Step 6: Final answer
    x = 18,905.71

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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.