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Finding the Fourth Proportional to 15,165.31, 22,750.08 and 5,302.34

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Solution

The fourth proportional to 15,165.31, 22,750.08 and 5,302.34 is: 7,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.31 : 22,750.08 = 5,302.34 : x
  2. Step 2: Convert to fraction form
    15,165.31/22,750.08 = 5,302.34/x
  3. Step 3: Cross multiply
    15,165.31x = 22,750.08 × 5,302.34
  4. Step 4: Simplify right side
    15,165.31x = 120,628,659.19
  5. Step 5: Solve for x
    x = 120,628,659.19/15,165.31
  6. Step 6: Final answer
    x = 7,954.25

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1.5x scale

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.