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Finding the Fourth Proportional to 18,045.84, 24,902.84 and 10,087.60

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Solution

The fourth proportional to 18,045.84, 24,902.84 and 10,087.60 is: 13,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.84 : 24,902.84 = 10,087.60 : x
  2. Step 2: Convert to fraction form
    18,045.84/24,902.84 = 10,087.60/x
  3. Step 3: Cross multiply
    18,045.84x = 24,902.84 × 10,087.60
  4. Step 4: Simplify right side
    18,045.84x = 251,209,888.78
  5. Step 5: Solve for x
    x = 251,209,888.78/18,045.84
  6. Step 6: Final answer
    x = 13,920.65

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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.