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Finding the Fourth Proportional to 44,372.76, 61,218.72 and 28,465.80

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Solution

The fourth proportional to 44,372.76, 61,218.72 and 28,465.80 is: 39,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,372.76 : 61,218.72 = 28,465.80 : x
  2. Step 2: Convert to fraction form
    44,372.76/61,218.72 = 28,465.80/x
  3. Step 3: Cross multiply
    44,372.76x = 61,218.72 × 28,465.80
  4. Step 4: Simplify right side
    44,372.76x = 1,742,639,839.78
  5. Step 5: Solve for x
    x = 1,742,639,839.78/44,372.76
  6. Step 6: Final answer
    x = 39,272.74

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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.