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Finding the Fourth Proportional to 58,235.93, 80,416.01 and 55,246.56

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Solution

The fourth proportional to 58,235.93, 80,416.01 and 55,246.56 is: 76,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.93 : 80,416.01 = 55,246.56 : x
  2. Step 2: Convert to fraction form
    58,235.93/80,416.01 = 55,246.56/x
  3. Step 3: Cross multiply
    58,235.93x = 80,416.01 × 55,246.56
  4. Step 4: Simplify right side
    58,235.93x = 4,442,707,645.19
  5. Step 5: Solve for x
    x = 4,442,707,645.19/58,235.93
  6. Step 6: Final answer
    x = 76,288.08

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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.