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Finding the Fourth Proportional to 4,652.70, 6,972.98 and 1,877.10

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Solution

The fourth proportional to 4,652.70, 6,972.98 and 1,877.10 is: 2,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.70 : 6,972.98 = 1,877.10 : x
  2. Step 2: Convert to fraction form
    4,652.70/6,972.98 = 1,877.10/x
  3. Step 3: Cross multiply
    4,652.70x = 6,972.98 × 1,877.10
  4. Step 4: Simplify right side
    4,652.70x = 13,088,971.37
  5. Step 5: Solve for x
    x = 13,088,971.37/4,652.70
  6. Step 6: Final answer
    x = 2,813.20

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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.