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Finding the Fourth Proportional to 2,437.80, 3,655.62 and 706.02

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Solution

The fourth proportional to 2,437.80, 3,655.62 and 706.02 is: 1,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.80 : 3,655.62 = 706.02 : x
  2. Step 2: Convert to fraction form
    2,437.80/3,655.62 = 706.02/x
  3. Step 3: Cross multiply
    2,437.80x = 3,655.62 × 706.02
  4. Step 4: Simplify right side
    2,437.80x = 2,580,940.83
  5. Step 5: Solve for x
    x = 2,580,940.83/2,437.80
  6. Step 6: Final answer
    x = 1,058.72

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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.