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Finding the Fourth Proportional to 2,387.59, 3,293.67 and 1,501.72

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Solution

The fourth proportional to 2,387.59, 3,293.67 and 1,501.72 is: 2,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.59 : 3,293.67 = 1,501.72 : x
  2. Step 2: Convert to fraction form
    2,387.59/3,293.67 = 1,501.72/x
  3. Step 3: Cross multiply
    2,387.59x = 3,293.67 × 1,501.72
  4. Step 4: Simplify right side
    2,387.59x = 4,946,170.11
  5. Step 5: Solve for x
    x = 4,946,170.11/2,387.59
  6. Step 6: Final answer
    x = 2,071.62

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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.