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Finding the Fourth Proportional to 6,570, 9,066.72 and 3,585.92

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Solution

The fourth proportional to 6,570, 9,066.72 and 3,585.92 is: 4,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570 : 9,066.72 = 3,585.92 : x
  2. Step 2: Convert to fraction form
    6,570/9,066.72 = 3,585.92/x
  3. Step 3: Cross multiply
    6,570x = 9,066.72 × 3,585.92
  4. Step 4: Simplify right side
    6,570x = 32,512,532.58
  5. Step 5: Solve for x
    x = 32,512,532.58/6,570
  6. Step 6: Final answer
    x = 4,948.64

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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.