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Finding the Fourth Proportional to 10,599.04, 15,869.28 and 7,994.08

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Solution

The fourth proportional to 10,599.04, 15,869.28 and 7,994.08 is: 11,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.04 : 15,869.28 = 7,994.08 : x
  2. Step 2: Convert to fraction form
    10,599.04/15,869.28 = 7,994.08/x
  3. Step 3: Cross multiply
    10,599.04x = 15,869.28 × 7,994.08
  4. Step 4: Simplify right side
    10,599.04x = 126,860,293.86
  5. Step 5: Solve for x
    x = 126,860,293.86/10,599.04
  6. Step 6: Final answer
    x = 11,969.04

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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.