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Finding the Fourth Proportional to 61,992.48, 85,528.80 and 35,132.88

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Solution

The fourth proportional to 61,992.48, 85,528.80 and 35,132.88 is: 48,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.48 : 85,528.80 = 35,132.88 : x
  2. Step 2: Convert to fraction form
    61,992.48/85,528.80 = 35,132.88/x
  3. Step 3: Cross multiply
    61,992.48x = 85,528.80 × 35,132.88
  4. Step 4: Simplify right side
    61,992.48x = 3,004,873,066.94
  5. Step 5: Solve for x
    x = 3,004,873,066.94/61,992.48
  6. Step 6: Final answer
    x = 48,471.57

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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.