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Finding the Fourth Proportional to 2,656.09, 3,666.54 and 1,762.15

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Solution

The fourth proportional to 2,656.09, 3,666.54 and 1,762.15 is: 2,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.09 : 3,666.54 = 1,762.15 : x
  2. Step 2: Convert to fraction form
    2,656.09/3,666.54 = 1,762.15/x
  3. Step 3: Cross multiply
    2,656.09x = 3,666.54 × 1,762.15
  4. Step 4: Simplify right side
    2,656.09x = 6,460,993.46
  5. Step 5: Solve for x
    x = 6,460,993.46/2,656.09
  6. Step 6: Final answer
    x = 2,432.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.