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Finding the Fourth Proportional to 7,258.77, 10,888.12 and 2,641.77

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Solution

The fourth proportional to 7,258.77, 10,888.12 and 2,641.77 is: 3,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.77 : 10,888.12 = 2,641.77 : x
  2. Step 2: Convert to fraction form
    7,258.77/10,888.12 = 2,641.77/x
  3. Step 3: Cross multiply
    7,258.77x = 10,888.12 × 2,641.77
  4. Step 4: Simplify right side
    7,258.77x = 28,763,895.56
  5. Step 5: Solve for x
    x = 28,763,895.56/7,258.77
  6. Step 6: Final answer
    x = 3,962.64

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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.