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Finding the Fourth Proportional to 61,794.04, 85,230.48 and 40,565.56

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Solution

The fourth proportional to 61,794.04, 85,230.48 and 40,565.56 is: 55,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.04 : 85,230.48 = 40,565.56 : x
  2. Step 2: Convert to fraction form
    61,794.04/85,230.48 = 40,565.56/x
  3. Step 3: Cross multiply
    61,794.04x = 85,230.48 × 40,565.56
  4. Step 4: Simplify right side
    61,794.04x = 3,457,422,150.27
  5. Step 5: Solve for x
    x = 3,457,422,150.27/61,794.04
  6. Step 6: Final answer
    x = 55,950.74

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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.