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Finding the Fourth Proportional to 44,375.76, 61,222.86 and 28,468.80

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Solution

The fourth proportional to 44,375.76, 61,222.86 and 28,468.80 is: 39,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,375.76 : 61,222.86 = 28,468.80 : x
  2. Step 2: Convert to fraction form
    44,375.76/61,222.86 = 28,468.80/x
  3. Step 3: Cross multiply
    44,375.76x = 61,222.86 × 28,468.80
  4. Step 4: Simplify right side
    44,375.76x = 1,742,941,356.77
  5. Step 5: Solve for x
    x = 1,742,941,356.77/44,375.76
  6. Step 6: Final answer
    x = 39,276.88

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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.