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Finding the Fourth Proportional to 9,904.60, 14,871.30 and 7,456.60

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Solution

The fourth proportional to 9,904.60, 14,871.30 and 7,456.60 is: 11,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.60 : 14,871.30 = 7,456.60 : x
  2. Step 2: Convert to fraction form
    9,904.60/14,871.30 = 7,456.60/x
  3. Step 3: Cross multiply
    9,904.60x = 14,871.30 × 7,456.60
  4. Step 4: Simplify right side
    9,904.60x = 110,889,335.58
  5. Step 5: Solve for x
    x = 110,889,335.58/9,904.60
  6. Step 6: Final answer
    x = 11,195.74

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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.