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Finding the Fourth Proportional to 10,041.10, 15,061.65 and 9,968.20

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Solution

The fourth proportional to 10,041.10, 15,061.65 and 9,968.20 is: 14,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.10 : 15,061.65 = 9,968.20 : x
  2. Step 2: Convert to fraction form
    10,041.10/15,061.65 = 9,968.20/x
  3. Step 3: Cross multiply
    10,041.10x = 15,061.65 × 9,968.20
  4. Step 4: Simplify right side
    10,041.10x = 150,137,539.53
  5. Step 5: Solve for x
    x = 150,137,539.53/10,041.10
  6. Step 6: Final answer
    x = 14,952.30

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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.