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Finding the Fourth Proportional to 1,656.56, 2,483.40 and 834.14

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Solution

The fourth proportional to 1,656.56, 2,483.40 and 834.14 is: 1,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.56 : 2,483.40 = 834.14 : x
  2. Step 2: Convert to fraction form
    1,656.56/2,483.40 = 834.14/x
  3. Step 3: Cross multiply
    1,656.56x = 2,483.40 × 834.14
  4. Step 4: Simplify right side
    1,656.56x = 2,071,503.28
  5. Step 5: Solve for x
    x = 2,071,503.28/1,656.56
  6. Step 6: Final answer
    x = 1,250.48

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1.5x scale

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.