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Finding the Fourth Proportional to 9,870.02, 14,807.46 and 6,954.02

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Solution

The fourth proportional to 9,870.02, 14,807.46 and 6,954.02 is: 10,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.02 : 14,807.46 = 6,954.02 : x
  2. Step 2: Convert to fraction form
    9,870.02/14,807.46 = 6,954.02/x
  3. Step 3: Cross multiply
    9,870.02x = 14,807.46 × 6,954.02
  4. Step 4: Simplify right side
    9,870.02x = 102,971,380.56
  5. Step 5: Solve for x
    x = 102,971,380.56/9,870.02
  6. Step 6: Final answer
    x = 10,432.74

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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.