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Finding the Fourth Proportional to 15,602.72, 23,362.94 and 9,347.90

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Solution

The fourth proportional to 15,602.72, 23,362.94 and 9,347.90 is: 13,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.72 : 23,362.94 = 9,347.90 : x
  2. Step 2: Convert to fraction form
    15,602.72/23,362.94 = 9,347.90/x
  3. Step 3: Cross multiply
    15,602.72x = 23,362.94 × 9,347.90
  4. Step 4: Simplify right side
    15,602.72x = 218,394,426.83
  5. Step 5: Solve for x
    x = 218,394,426.83/15,602.72
  6. Step 6: Final answer
    x = 13,997.20

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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.