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Finding the Fourth Proportional to 1,552.02, 2,140.18 and 1,342.02

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Solution

The fourth proportional to 1,552.02, 2,140.18 and 1,342.02 is: 1,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.02 : 2,140.18 = 1,342.02 : x
  2. Step 2: Convert to fraction form
    1,552.02/2,140.18 = 1,342.02/x
  3. Step 3: Cross multiply
    1,552.02x = 2,140.18 × 1,342.02
  4. Step 4: Simplify right side
    1,552.02x = 2,872,164.36
  5. Step 5: Solve for x
    x = 2,872,164.36/1,552.02
  6. Step 6: Final answer
    x = 1,850.60

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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.