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Finding the Fourth Proportional to 44,989, 67,488.40 and 27,570.76

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Solution

The fourth proportional to 44,989, 67,488.40 and 27,570.76 is: 41,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,989 : 67,488.40 = 27,570.76 : x
  2. Step 2: Convert to fraction form
    44,989/67,488.40 = 27,570.76/x
  3. Step 3: Cross multiply
    44,989x = 67,488.40 × 27,570.76
  4. Step 4: Simplify right side
    44,989x = 1,860,706,479.18
  5. Step 5: Solve for x
    x = 1,860,706,479.18/44,989
  6. Step 6: Final answer
    x = 41,359.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.