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Finding the Fourth Proportional to 9,607.60, 14,427.60 and 6,335.20

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Solution

The fourth proportional to 9,607.60, 14,427.60 and 6,335.20 is: 9,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.60 : 14,427.60 = 6,335.20 : x
  2. Step 2: Convert to fraction form
    9,607.60/14,427.60 = 6,335.20/x
  3. Step 3: Cross multiply
    9,607.60x = 14,427.60 × 6,335.20
  4. Step 4: Simplify right side
    9,607.60x = 91,401,731.52
  5. Step 5: Solve for x
    x = 91,401,731.52/9,607.60
  6. Step 6: Final answer
    x = 9,513.48

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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.