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Finding the Fourth Proportional to 57,929.07, 79,978.23 and 44,473.53

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Solution

The fourth proportional to 57,929.07, 79,978.23 and 44,473.53 is: 61,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.07 : 79,978.23 = 44,473.53 : x
  2. Step 2: Convert to fraction form
    57,929.07/79,978.23 = 44,473.53/x
  3. Step 3: Cross multiply
    57,929.07x = 79,978.23 × 44,473.53
  4. Step 4: Simplify right side
    57,929.07x = 3,556,914,211.25
  5. Step 5: Solve for x
    x = 3,556,914,211.25/57,929.07
  6. Step 6: Final answer
    x = 61,401.20

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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.