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Finding the Fourth Proportional to 9,101.70, 13,652.55 and 3,258.90

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Solution

The fourth proportional to 9,101.70, 13,652.55 and 3,258.90 is: 4,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.70 : 13,652.55 = 3,258.90 : x
  2. Step 2: Convert to fraction form
    9,101.70/13,652.55 = 3,258.90/x
  3. Step 3: Cross multiply
    9,101.70x = 13,652.55 × 3,258.90
  4. Step 4: Simplify right side
    9,101.70x = 44,492,295.20
  5. Step 5: Solve for x
    x = 44,492,295.20/9,101.70
  6. Step 6: Final answer
    x = 4,888.35

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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.