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Finding the Fourth Proportional to 1,532.48, 2,114.82 and 833.84

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Solution

The fourth proportional to 1,532.48, 2,114.82 and 833.84 is: 1,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.48 : 2,114.82 = 833.84 : x
  2. Step 2: Convert to fraction form
    1,532.48/2,114.82 = 833.84/x
  3. Step 3: Cross multiply
    1,532.48x = 2,114.82 × 833.84
  4. Step 4: Simplify right side
    1,532.48x = 1,763,421.51
  5. Step 5: Solve for x
    x = 1,763,421.51/1,532.48
  6. Step 6: Final answer
    x = 1,150.70

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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.