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Finding the Fourth Proportional to 58,119.93, 87,023.70 and 36,945.18

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Solution

The fourth proportional to 58,119.93, 87,023.70 and 36,945.18 is: 55,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,119.93 : 87,023.70 = 36,945.18 : x
  2. Step 2: Convert to fraction form
    58,119.93/87,023.70 = 36,945.18/x
  3. Step 3: Cross multiply
    58,119.93x = 87,023.70 × 36,945.18
  4. Step 4: Simplify right side
    58,119.93x = 3,215,106,260.77
  5. Step 5: Solve for x
    x = 3,215,106,260.77/58,119.93
  6. Step 6: Final answer
    x = 55,318.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.