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Finding the Fourth Proportional to 15,975.11, 22,041.95 and 9,599.55

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Solution

The fourth proportional to 15,975.11, 22,041.95 and 9,599.55 is: 13,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.11 : 22,041.95 = 9,599.55 : x
  2. Step 2: Convert to fraction form
    15,975.11/22,041.95 = 9,599.55/x
  3. Step 3: Cross multiply
    15,975.11x = 22,041.95 × 9,599.55
  4. Step 4: Simplify right side
    15,975.11x = 211,592,753.12
  5. Step 5: Solve for x
    x = 211,592,753.12/15,975.11
  6. Step 6: Final answer
    x = 13,245.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.