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Finding the Fourth Proportional to 60,072, 90,047.52 and 25,031.04

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Solution

The fourth proportional to 60,072, 90,047.52 and 25,031.04 is: 37,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,072 : 90,047.52 = 25,031.04 : x
  2. Step 2: Convert to fraction form
    60,072/90,047.52 = 25,031.04/x
  3. Step 3: Cross multiply
    60,072x = 90,047.52 × 25,031.04
  4. Step 4: Simplify right side
    60,072x = 2,253,983,075.02
  5. Step 5: Solve for x
    x = 2,253,983,075.02/60,072
  6. Step 6: Final answer
    x = 37,521.36

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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.