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Finding the Fourth Proportional to 1,598.55, 2,206.10 and 969.14

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Solution

The fourth proportional to 1,598.55, 2,206.10 and 969.14 is: 1,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.55 : 2,206.10 = 969.14 : x
  2. Step 2: Convert to fraction form
    1,598.55/2,206.10 = 969.14/x
  3. Step 3: Cross multiply
    1,598.55x = 2,206.10 × 969.14
  4. Step 4: Simplify right side
    1,598.55x = 2,138,019.75
  5. Step 5: Solve for x
    x = 2,138,019.75/1,598.55
  6. Step 6: Final answer
    x = 1,337.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.