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Finding the Fourth Proportional to 44,862, 61,909.60 and 24,990

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Solution

The fourth proportional to 44,862, 61,909.60 and 24,990 is: 34,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,862 : 61,909.60 = 24,990 : x
  2. Step 2: Convert to fraction form
    44,862/61,909.60 = 24,990/x
  3. Step 3: Cross multiply
    44,862x = 61,909.60 × 24,990
  4. Step 4: Simplify right side
    44,862x = 1,547,120,904
  5. Step 5: Solve for x
    x = 1,547,120,904/44,862
  6. Step 6: Final answer
    x = 34,486.22

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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.