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Finding the Fourth Proportional to 2,362.76, 3,543.48 and 975.68

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Solution

The fourth proportional to 2,362.76, 3,543.48 and 975.68 is: 1,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.76 : 3,543.48 = 975.68 : x
  2. Step 2: Convert to fraction form
    2,362.76/3,543.48 = 975.68/x
  3. Step 3: Cross multiply
    2,362.76x = 3,543.48 × 975.68
  4. Step 4: Simplify right side
    2,362.76x = 3,457,302.57
  5. Step 5: Solve for x
    x = 3,457,302.57/2,362.76
  6. Step 6: Final answer
    x = 1,463.25

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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.