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Finding the Fourth Proportional to 61,599.86, 85,007.58 and 34,742.20

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Solution

The fourth proportional to 61,599.86, 85,007.58 and 34,742.20 is: 47,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.86 : 85,007.58 = 34,742.20 : x
  2. Step 2: Convert to fraction form
    61,599.86/85,007.58 = 34,742.20/x
  3. Step 3: Cross multiply
    61,599.86x = 85,007.58 × 34,742.20
  4. Step 4: Simplify right side
    61,599.86x = 2,953,350,162.46
  5. Step 5: Solve for x
    x = 2,953,350,162.46/61,599.86
  6. Step 6: Final answer
    x = 47,944.11

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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.