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Finding the Fourth Proportional to 70,787.08, 97,645.54 and 44,245

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Solution

The fourth proportional to 70,787.08, 97,645.54 and 44,245 is: 61,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,787.08 : 97,645.54 = 44,245 : x
  2. Step 2: Convert to fraction form
    70,787.08/97,645.54 = 44,245/x
  3. Step 3: Cross multiply
    70,787.08x = 97,645.54 × 44,245
  4. Step 4: Simplify right side
    70,787.08x = 4,320,326,917.30
  5. Step 5: Solve for x
    x = 4,320,326,917.30/70,787.08
  6. Step 6: Final answer
    x = 61,032.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.