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Finding the Fourth Proportional to 5,258.76, 7,888.92 and 1,927.18

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Solution

The fourth proportional to 5,258.76, 7,888.92 and 1,927.18 is: 2,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.76 : 7,888.92 = 1,927.18 : x
  2. Step 2: Convert to fraction form
    5,258.76/7,888.92 = 1,927.18/x
  3. Step 3: Cross multiply
    5,258.76x = 7,888.92 × 1,927.18
  4. Step 4: Simplify right side
    5,258.76x = 15,203,368.85
  5. Step 5: Solve for x
    x = 15,203,368.85/5,258.76
  6. Step 6: Final answer
    x = 2,891.06

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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.