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Finding the Fourth Proportional to 7,051.80, 10,564.90 and 5,746.20

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Solution

The fourth proportional to 7,051.80, 10,564.90 and 5,746.20 is: 8,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.80 : 10,564.90 = 5,746.20 : x
  2. Step 2: Convert to fraction form
    7,051.80/10,564.90 = 5,746.20/x
  3. Step 3: Cross multiply
    7,051.80x = 10,564.90 × 5,746.20
  4. Step 4: Simplify right side
    7,051.80x = 60,708,028.38
  5. Step 5: Solve for x
    x = 60,708,028.38/7,051.80
  6. Step 6: Final answer
    x = 8,608.87

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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.