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Finding the Fourth Proportional to 1,756.59, 2,631.80 and 1,565.93

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Solution

The fourth proportional to 1,756.59, 2,631.80 and 1,565.93 is: 2,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.59 : 2,631.80 = 1,565.93 : x
  2. Step 2: Convert to fraction form
    1,756.59/2,631.80 = 1,565.93/x
  3. Step 3: Cross multiply
    1,756.59x = 2,631.80 × 1,565.93
  4. Step 4: Simplify right side
    1,756.59x = 4,121,205.33
  5. Step 5: Solve for x
    x = 4,121,205.33/1,756.59
  6. Step 6: Final answer
    x = 2,346.14

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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.