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Finding the Fourth Proportional to 44,856.80, 67,285.72 and 19,207.68

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Solution

The fourth proportional to 44,856.80, 67,285.72 and 19,207.68 is: 28,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,856.80 : 67,285.72 = 19,207.68 : x
  2. Step 2: Convert to fraction form
    44,856.80/67,285.72 = 19,207.68/x
  3. Step 3: Cross multiply
    44,856.80x = 67,285.72 × 19,207.68
  4. Step 4: Simplify right side
    44,856.80x = 1,292,402,578.33
  5. Step 5: Solve for x
    x = 1,292,402,578.33/44,856.80
  6. Step 6: Final answer
    x = 28,811.74

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1.5x scale

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.