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Finding the Fourth Proportional to 30,125.56, 44,869.88 and 28,544.44

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Solution

The fourth proportional to 30,125.56, 44,869.88 and 28,544.44 is: 42,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.56 : 44,869.88 = 28,544.44 : x
  2. Step 2: Convert to fraction form
    30,125.56/44,869.88 = 28,544.44/x
  3. Step 3: Cross multiply
    30,125.56x = 44,869.88 × 28,544.44
  4. Step 4: Simplify right side
    30,125.56x = 1,280,785,597.47
  5. Step 5: Solve for x
    x = 1,280,785,597.47/30,125.56
  6. Step 6: Final answer
    x = 42,514.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.