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Finding the Fourth Proportional to 9,765.20, 14,626.20 and 5,877.20

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Solution

The fourth proportional to 9,765.20, 14,626.20 and 5,877.20 is: 8,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.20 : 14,626.20 = 5,877.20 : x
  2. Step 2: Convert to fraction form
    9,765.20/14,626.20 = 5,877.20/x
  3. Step 3: Cross multiply
    9,765.20x = 14,626.20 × 5,877.20
  4. Step 4: Simplify right side
    9,765.20x = 85,961,102.64
  5. Step 5: Solve for x
    x = 85,961,102.64/9,765.20
  6. Step 6: Final answer
    x = 8,802.80

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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.