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Finding the Fourth Proportional to 1,437.43, 1,984.14 and 848.14

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Solution

The fourth proportional to 1,437.43, 1,984.14 and 848.14 is: 1,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.43 : 1,984.14 = 848.14 : x
  2. Step 2: Convert to fraction form
    1,437.43/1,984.14 = 848.14/x
  3. Step 3: Cross multiply
    1,437.43x = 1,984.14 × 848.14
  4. Step 4: Simplify right side
    1,437.43x = 1,682,828.50
  5. Step 5: Solve for x
    x = 1,682,828.50/1,437.43
  6. Step 6: Final answer
    x = 1,170.72

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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.