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Finding the Fourth Proportional to 58,479.48, 87,670.02 and 23,400

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Solution

The fourth proportional to 58,479.48, 87,670.02 and 23,400 is: 35,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.48 : 87,670.02 = 23,400 : x
  2. Step 2: Convert to fraction form
    58,479.48/87,670.02 = 23,400/x
  3. Step 3: Cross multiply
    58,479.48x = 87,670.02 × 23,400
  4. Step 4: Simplify right side
    58,479.48x = 2,051,478,468
  5. Step 5: Solve for x
    x = 2,051,478,468/58,479.48
  6. Step 6: Final answer
    x = 35,080.31

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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.