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Finding the Fourth Proportional to 60,541.83, 90,671.81 and 58,439.48

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Solution

The fourth proportional to 60,541.83, 90,671.81 and 58,439.48 is: 87,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,541.83 : 90,671.81 = 58,439.48 : x
  2. Step 2: Convert to fraction form
    60,541.83/90,671.81 = 58,439.48/x
  3. Step 3: Cross multiply
    60,541.83x = 90,671.81 × 58,439.48
  4. Step 4: Simplify right side
    60,541.83x = 5,298,812,681.50
  5. Step 5: Solve for x
    x = 5,298,812,681.50/60,541.83
  6. Step 6: Final answer
    x = 87,523.17

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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.