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Finding the Fourth Proportional to 58,295.79, 80,253.63 and 55,617.75

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Solution

The fourth proportional to 58,295.79, 80,253.63 and 55,617.75 is: 76,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,295.79 : 80,253.63 = 55,617.75 : x
  2. Step 2: Convert to fraction form
    58,295.79/80,253.63 = 55,617.75/x
  3. Step 3: Cross multiply
    58,295.79x = 80,253.63 × 55,617.75
  4. Step 4: Simplify right side
    58,295.79x = 4,463,526,329.93
  5. Step 5: Solve for x
    x = 4,463,526,329.93/58,295.79
  6. Step 6: Final answer
    x = 76,566.87

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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.