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Finding the Fourth Proportional to 12,041.30, 18,058.08 and 5,023.28

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Solution

The fourth proportional to 12,041.30, 18,058.08 and 5,023.28 is: 7,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.30 : 18,058.08 = 5,023.28 : x
  2. Step 2: Convert to fraction form
    12,041.30/18,058.08 = 5,023.28/x
  3. Step 3: Cross multiply
    12,041.30x = 18,058.08 × 5,023.28
  4. Step 4: Simplify right side
    12,041.30x = 90,710,792.10
  5. Step 5: Solve for x
    x = 90,710,792.10/12,041.30
  6. Step 6: Final answer
    x = 7,533.31

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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.