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Finding the Fourth Proportional to 5,914.40, 8,877.84 and 3,580.28

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Solution

The fourth proportional to 5,914.40, 8,877.84 and 3,580.28 is: 5,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.40 : 8,877.84 = 3,580.28 : x
  2. Step 2: Convert to fraction form
    5,914.40/8,877.84 = 3,580.28/x
  3. Step 3: Cross multiply
    5,914.40x = 8,877.84 × 3,580.28
  4. Step 4: Simplify right side
    5,914.40x = 31,785,153.00
  5. Step 5: Solve for x
    x = 31,785,153.00/5,914.40
  6. Step 6: Final answer
    x = 5,374.20

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1.5x scale

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.