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Finding the Fourth Proportional to 9,695.84, 13,376.36 and 6,337.60

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Solution

The fourth proportional to 9,695.84, 13,376.36 and 6,337.60 is: 8,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.84 : 13,376.36 = 6,337.60 : x
  2. Step 2: Convert to fraction form
    9,695.84/13,376.36 = 6,337.60/x
  3. Step 3: Cross multiply
    9,695.84x = 13,376.36 × 6,337.60
  4. Step 4: Simplify right side
    9,695.84x = 84,774,019.14
  5. Step 5: Solve for x
    x = 84,774,019.14/9,695.84
  6. Step 6: Final answer
    x = 8,743.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.