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Finding the Fourth Proportional to 44,357.46, 66,570.95 and 30,943.20

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Solution

The fourth proportional to 44,357.46, 66,570.95 and 30,943.20 is: 46,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,357.46 : 66,570.95 = 30,943.20 : x
  2. Step 2: Convert to fraction form
    44,357.46/66,570.95 = 30,943.20/x
  3. Step 3: Cross multiply
    44,357.46x = 66,570.95 × 30,943.20
  4. Step 4: Simplify right side
    44,357.46x = 2,059,918,386.47
  5. Step 5: Solve for x
    x = 2,059,918,386.47/44,357.46
  6. Step 6: Final answer
    x = 46,439.05

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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.