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Finding the Fourth Proportional to 62,881.44, 86,776.80 and 34,586.40

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Solution

The fourth proportional to 62,881.44, 86,776.80 and 34,586.40 is: 47,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,881.44 : 86,776.80 = 34,586.40 : x
  2. Step 2: Convert to fraction form
    62,881.44/86,776.80 = 34,586.40/x
  3. Step 3: Cross multiply
    62,881.44x = 86,776.80 × 34,586.40
  4. Step 4: Simplify right side
    62,881.44x = 3,001,297,115.52
  5. Step 5: Solve for x
    x = 3,001,297,115.52/62,881.44
  6. Step 6: Final answer
    x = 47,729.46

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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.