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Finding the Fourth Proportional to 4,877.30, 6,845.50 and 4,877.30

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Solution

The fourth proportional to 4,877.30, 6,845.50 and 4,877.30 is: 6,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.30 : 6,845.50 = 4,877.30 : x
  2. Step 2: Convert to fraction form
    4,877.30/6,845.50 = 4,877.30/x
  3. Step 3: Cross multiply
    4,877.30x = 6,845.50 × 4,877.30
  4. Step 4: Simplify right side
    4,877.30x = 33,387,557.15
  5. Step 5: Solve for x
    x = 33,387,557.15/4,877.30
  6. Step 6: Final answer
    x = 6,845.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.