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Finding the Fourth Proportional to 8,368.40, 12,552.60 and 5,027.60

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Solution

The fourth proportional to 8,368.40, 12,552.60 and 5,027.60 is: 7,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.40 : 12,552.60 = 5,027.60 : x
  2. Step 2: Convert to fraction form
    8,368.40/12,552.60 = 5,027.60/x
  3. Step 3: Cross multiply
    8,368.40x = 12,552.60 × 5,027.60
  4. Step 4: Simplify right side
    8,368.40x = 63,109,451.76
  5. Step 5: Solve for x
    x = 63,109,451.76/8,368.40
  6. Step 6: Final answer
    x = 7,541.40

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Similar ratio
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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.