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Finding the Fourth Proportional to 1,577.48, 2,173.48 and 1,052.60

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Solution

The fourth proportional to 1,577.48, 2,173.48 and 1,052.60 is: 1,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.48 : 2,173.48 = 1,052.60 : x
  2. Step 2: Convert to fraction form
    1,577.48/2,173.48 = 1,052.60/x
  3. Step 3: Cross multiply
    1,577.48x = 2,173.48 × 1,052.60
  4. Step 4: Simplify right side
    1,577.48x = 2,287,799.70
  5. Step 5: Solve for x
    x = 2,287,799.70/1,577.48
  6. Step 6: Final answer
    x = 1,450.29

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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.