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Finding the Fourth Proportional to 9,963.48, 14,875.04 and 7,611.08

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Solution

The fourth proportional to 9,963.48, 14,875.04 and 7,611.08 is: 11,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.48 : 14,875.04 = 7,611.08 : x
  2. Step 2: Convert to fraction form
    9,963.48/14,875.04 = 7,611.08/x
  3. Step 3: Cross multiply
    9,963.48x = 14,875.04 × 7,611.08
  4. Step 4: Simplify right side
    9,963.48x = 113,215,119.44
  5. Step 5: Solve for x
    x = 113,215,119.44/9,963.48
  6. Step 6: Final answer
    x = 11,363.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.