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Finding the Fourth Proportional to 58,439.40, 87,589.86 and 26,822.82

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Solution

The fourth proportional to 58,439.40, 87,589.86 and 26,822.82 is: 40,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.40 : 87,589.86 = 26,822.82 : x
  2. Step 2: Convert to fraction form
    58,439.40/87,589.86 = 26,822.82/x
  3. Step 3: Cross multiply
    58,439.40x = 87,589.86 × 26,822.82
  4. Step 4: Simplify right side
    58,439.40x = 2,349,407,048.61
  5. Step 5: Solve for x
    x = 2,349,407,048.61/58,439.40
  6. Step 6: Final answer
    x = 40,202.45

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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.