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Finding the Fourth Proportional to 4,751.60, 6,557.08 and 2,655.60

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Solution

The fourth proportional to 4,751.60, 6,557.08 and 2,655.60 is: 3,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.60 : 6,557.08 = 2,655.60 : x
  2. Step 2: Convert to fraction form
    4,751.60/6,557.08 = 2,655.60/x
  3. Step 3: Cross multiply
    4,751.60x = 6,557.08 × 2,655.60
  4. Step 4: Simplify right side
    4,751.60x = 17,412,981.65
  5. Step 5: Solve for x
    x = 17,412,981.65/4,751.60
  6. Step 6: Final answer
    x = 3,664.66

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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.