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Finding the Fourth Proportional to 9,482.78, 14,225.26 and 3,935.40

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Solution

The fourth proportional to 9,482.78, 14,225.26 and 3,935.40 is: 5,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.78 : 14,225.26 = 3,935.40 : x
  2. Step 2: Convert to fraction form
    9,482.78/14,225.26 = 3,935.40/x
  3. Step 3: Cross multiply
    9,482.78x = 14,225.26 × 3,935.40
  4. Step 4: Simplify right side
    9,482.78x = 55,982,088.20
  5. Step 5: Solve for x
    x = 55,982,088.20/9,482.78
  6. Step 6: Final answer
    x = 5,903.55

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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.