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Finding the Fourth Proportional to 15,365.52, 23,030.06 and 6,581.88

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Solution

The fourth proportional to 15,365.52, 23,030.06 and 6,581.88 is: 9,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.52 : 23,030.06 = 6,581.88 : x
  2. Step 2: Convert to fraction form
    15,365.52/23,030.06 = 6,581.88/x
  3. Step 3: Cross multiply
    15,365.52x = 23,030.06 × 6,581.88
  4. Step 4: Simplify right side
    15,365.52x = 151,581,058.40
  5. Step 5: Solve for x
    x = 151,581,058.40/15,365.52
  6. Step 6: Final answer
    x = 9,865.01

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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.