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Finding the Fourth Proportional to 2,437.13, 3,655.65 and 705.76

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Solution

The fourth proportional to 2,437.13, 3,655.65 and 705.76 is: 1,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.13 : 3,655.65 = 705.76 : x
  2. Step 2: Convert to fraction form
    2,437.13/3,655.65 = 705.76/x
  3. Step 3: Cross multiply
    2,437.13x = 3,655.65 × 705.76
  4. Step 4: Simplify right side
    2,437.13x = 2,580,011.54
  5. Step 5: Solve for x
    x = 2,580,011.54/2,437.13
  6. Step 6: Final answer
    x = 1,058.63

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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.