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Finding the Fourth Proportional to 1,577.10, 2,368.06 and 848.10

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Solution

The fourth proportional to 1,577.10, 2,368.06 and 848.10 is: 1,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.10 : 2,368.06 = 848.10 : x
  2. Step 2: Convert to fraction form
    1,577.10/2,368.06 = 848.10/x
  3. Step 3: Cross multiply
    1,577.10x = 2,368.06 × 848.10
  4. Step 4: Simplify right side
    1,577.10x = 2,008,351.69
  5. Step 5: Solve for x
    x = 2,008,351.69/1,577.10
  6. Step 6: Final answer
    x = 1,273.45

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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.