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Finding the Fourth Proportional to 35,337.78, 48,745.80 and 21,182.40

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Solution

The fourth proportional to 35,337.78, 48,745.80 and 21,182.40 is: 29,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,337.78 : 48,745.80 = 21,182.40 : x
  2. Step 2: Convert to fraction form
    35,337.78/48,745.80 = 21,182.40/x
  3. Step 3: Cross multiply
    35,337.78x = 48,745.80 × 21,182.40
  4. Step 4: Simplify right side
    35,337.78x = 1,032,553,033.92
  5. Step 5: Solve for x
    x = 1,032,553,033.92/35,337.78
  6. Step 6: Final answer
    x = 29,219.52

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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.