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Finding the Fourth Proportional to 15,602.80, 23,387.64 and 7,273.12

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Solution

The fourth proportional to 15,602.80, 23,387.64 and 7,273.12 is: 10,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.80 : 23,387.64 = 7,273.12 : x
  2. Step 2: Convert to fraction form
    15,602.80/23,387.64 = 7,273.12/x
  3. Step 3: Cross multiply
    15,602.80x = 23,387.64 × 7,273.12
  4. Step 4: Simplify right side
    15,602.80x = 170,101,112.24
  5. Step 5: Solve for x
    x = 170,101,112.24/15,602.80
  6. Step 6: Final answer
    x = 10,901.96

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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.