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Finding the Fourth Proportional to 47,297.98, 65,271.30 and 25,787.92

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Solution

The fourth proportional to 47,297.98, 65,271.30 and 25,787.92 is: 35,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297.98 : 65,271.30 = 25,787.92 : x
  2. Step 2: Convert to fraction form
    47,297.98/65,271.30 = 25,787.92/x
  3. Step 3: Cross multiply
    47,297.98x = 65,271.30 × 25,787.92
  4. Step 4: Simplify right side
    47,297.98x = 1,683,211,062.70
  5. Step 5: Solve for x
    x = 1,683,211,062.70/47,297.98
  6. Step 6: Final answer
    x = 35,587.38

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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.