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Finding the Fourth Proportional to 9,569.60, 14,354.40 and 8,993.60

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Solution

The fourth proportional to 9,569.60, 14,354.40 and 8,993.60 is: 13,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.60 : 14,354.40 = 8,993.60 : x
  2. Step 2: Convert to fraction form
    9,569.60/14,354.40 = 8,993.60/x
  3. Step 3: Cross multiply
    9,569.60x = 14,354.40 × 8,993.60
  4. Step 4: Simplify right side
    9,569.60x = 129,097,731.84
  5. Step 5: Solve for x
    x = 129,097,731.84/9,569.60
  6. Step 6: Final answer
    x = 13,490.40

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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.