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Finding the Fourth Proportional to 58,650, 87,920.34 and 23,130.60

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Solution

The fourth proportional to 58,650, 87,920.34 and 23,130.60 is: 34,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,650 : 87,920.34 = 23,130.60 : x
  2. Step 2: Convert to fraction form
    58,650/87,920.34 = 23,130.60/x
  3. Step 3: Cross multiply
    58,650x = 87,920.34 × 23,130.60
  4. Step 4: Simplify right side
    58,650x = 2,033,650,216.40
  5. Step 5: Solve for x
    x = 2,033,650,216.40/58,650
  6. Step 6: Final answer
    x = 34,674.34

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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.