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Finding the Fourth Proportional to 1,775.03, 2,663.63 and 1,127.03

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Solution

The fourth proportional to 1,775.03, 2,663.63 and 1,127.03 is: 1,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.03 : 2,663.63 = 1,127.03 : x
  2. Step 2: Convert to fraction form
    1,775.03/2,663.63 = 1,127.03/x
  3. Step 3: Cross multiply
    1,775.03x = 2,663.63 × 1,127.03
  4. Step 4: Simplify right side
    1,775.03x = 3,001,985.28
  5. Step 5: Solve for x
    x = 3,001,985.28/1,775.03
  6. Step 6: Final answer
    x = 1,691.23

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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.