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Finding the Fourth Proportional to 1,354.60, 2,003.08 and 1,354.60

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Solution

The fourth proportional to 1,354.60, 2,003.08 and 1,354.60 is: 2,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.60 : 2,003.08 = 1,354.60 : x
  2. Step 2: Convert to fraction form
    1,354.60/2,003.08 = 1,354.60/x
  3. Step 3: Cross multiply
    1,354.60x = 2,003.08 × 1,354.60
  4. Step 4: Simplify right side
    1,354.60x = 2,713,372.17
  5. Step 5: Solve for x
    x = 2,713,372.17/1,354.60
  6. Step 6: Final answer
    x = 2,003.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.