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Finding the Fourth Proportional to 7,079.45, 9,770.72 and 4,095.23

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Solution

The fourth proportional to 7,079.45, 9,770.72 and 4,095.23 is: 5,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.45 : 9,770.72 = 4,095.23 : x
  2. Step 2: Convert to fraction form
    7,079.45/9,770.72 = 4,095.23/x
  3. Step 3: Cross multiply
    7,079.45x = 9,770.72 × 4,095.23
  4. Step 4: Simplify right side
    7,079.45x = 40,013,276.34
  5. Step 5: Solve for x
    x = 40,013,276.34/7,079.45
  6. Step 6: Final answer
    x = 5,652.04

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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.