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Finding the Fourth Proportional to 1,437.16, 1,983.80 and 848.04

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Solution

The fourth proportional to 1,437.16, 1,983.80 and 848.04 is: 1,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.16 : 1,983.80 = 848.04 : x
  2. Step 2: Convert to fraction form
    1,437.16/1,983.80 = 848.04/x
  3. Step 3: Cross multiply
    1,437.16x = 1,983.80 × 848.04
  4. Step 4: Simplify right side
    1,437.16x = 1,682,341.75
  5. Step 5: Solve for x
    x = 1,682,341.75/1,437.16
  6. Step 6: Final answer
    x = 1,170.60

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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.