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Finding the Fourth Proportional to 56,403.54, 77,856.39 and 32,539.73

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Solution

The fourth proportional to 56,403.54, 77,856.39 and 32,539.73 is: 44,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403.54 : 77,856.39 = 32,539.73 : x
  2. Step 2: Convert to fraction form
    56,403.54/77,856.39 = 32,539.73/x
  3. Step 3: Cross multiply
    56,403.54x = 77,856.39 × 32,539.73
  4. Step 4: Simplify right side
    56,403.54x = 2,533,425,520.09
  5. Step 5: Solve for x
    x = 2,533,425,520.09/56,403.54
  6. Step 6: Final answer
    x = 44,916.07

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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.