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Finding the Fourth Proportional to 60,525.14, 90,802.30 and 18,972.14

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Solution

The fourth proportional to 60,525.14, 90,802.30 and 18,972.14 is: 28,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,525.14 : 90,802.30 = 18,972.14 : x
  2. Step 2: Convert to fraction form
    60,525.14/90,802.30 = 18,972.14/x
  3. Step 3: Cross multiply
    60,525.14x = 90,802.30 × 18,972.14
  4. Step 4: Simplify right side
    60,525.14x = 1,722,713,992.82
  5. Step 5: Solve for x
    x = 1,722,713,992.82/60,525.14
  6. Step 6: Final answer
    x = 28,462.78

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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.