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Finding the Fourth Proportional to 2,362.60, 3,543.90 and 1,541.80

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Solution

The fourth proportional to 2,362.60, 3,543.90 and 1,541.80 is: 2,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.60 : 3,543.90 = 1,541.80 : x
  2. Step 2: Convert to fraction form
    2,362.60/3,543.90 = 1,541.80/x
  3. Step 3: Cross multiply
    2,362.60x = 3,543.90 × 1,541.80
  4. Step 4: Simplify right side
    2,362.60x = 5,463,985.02
  5. Step 5: Solve for x
    x = 5,463,985.02/2,362.60
  6. Step 6: Final answer
    x = 2,312.70

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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.