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Finding the Fourth Proportional to 4,968.78, 7,454.34 and 1,506

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Solution

The fourth proportional to 4,968.78, 7,454.34 and 1,506 is: 2,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.78 : 7,454.34 = 1,506 : x
  2. Step 2: Convert to fraction form
    4,968.78/7,454.34 = 1,506/x
  3. Step 3: Cross multiply
    4,968.78x = 7,454.34 × 1,506
  4. Step 4: Simplify right side
    4,968.78x = 11,226,236.04
  5. Step 5: Solve for x
    x = 11,226,236.04/4,968.78
  6. Step 6: Final answer
    x = 2,259.35

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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.