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Finding the Fourth Proportional to 56,406.54, 77,860.53 and 32,542.74

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Solution

The fourth proportional to 56,406.54, 77,860.53 and 32,542.74 is: 44,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.54 : 77,860.53 = 32,542.74 : x
  2. Step 2: Convert to fraction form
    56,406.54/77,860.53 = 32,542.74/x
  3. Step 3: Cross multiply
    56,406.54x = 77,860.53 × 32,542.74
  4. Step 4: Simplify right side
    56,406.54x = 2,533,794,984.05
  5. Step 5: Solve for x
    x = 2,533,794,984.05/56,406.54
  6. Step 6: Final answer
    x = 44,920.23

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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.