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Finding the Fourth Proportional to 1,657.42, 2,483.70 and 732.14

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Solution

The fourth proportional to 1,657.42, 2,483.70 and 732.14 is: 1,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.42 : 2,483.70 = 732.14 : x
  2. Step 2: Convert to fraction form
    1,657.42/2,483.70 = 732.14/x
  3. Step 3: Cross multiply
    1,657.42x = 2,483.70 × 732.14
  4. Step 4: Simplify right side
    1,657.42x = 1,818,416.12
  5. Step 5: Solve for x
    x = 1,818,416.12/1,657.42
  6. Step 6: Final answer
    x = 1,097.14

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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.