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Finding the Fourth Proportional to 2,534.83, 3,802.95 and 891.16

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Solution

The fourth proportional to 2,534.83, 3,802.95 and 891.16 is: 1,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.83 : 3,802.95 = 891.16 : x
  2. Step 2: Convert to fraction form
    2,534.83/3,802.95 = 891.16/x
  3. Step 3: Cross multiply
    2,534.83x = 3,802.95 × 891.16
  4. Step 4: Simplify right side
    2,534.83x = 3,389,036.92
  5. Step 5: Solve for x
    x = 3,389,036.92/2,534.83
  6. Step 6: Final answer
    x = 1,336.99

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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.