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Finding the Fourth Proportional to 24,988.70, 34,483.84 and 13,658.22

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Solution

The fourth proportional to 24,988.70, 34,483.84 and 13,658.22 is: 18,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,988.70 : 34,483.84 = 13,658.22 : x
  2. Step 2: Convert to fraction form
    24,988.70/34,483.84 = 13,658.22/x
  3. Step 3: Cross multiply
    24,988.70x = 34,483.84 × 13,658.22
  4. Step 4: Simplify right side
    24,988.70x = 470,987,700.75
  5. Step 5: Solve for x
    x = 470,987,700.75/24,988.70
  6. Step 6: Final answer
    x = 18,848.03

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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.