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Finding the Fourth Proportional to 62,975.34, 86,906.04 and 34,295.05

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Solution

The fourth proportional to 62,975.34, 86,906.04 and 34,295.05 is: 47,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,975.34 : 86,906.04 = 34,295.05 : x
  2. Step 2: Convert to fraction form
    62,975.34/86,906.04 = 34,295.05/x
  3. Step 3: Cross multiply
    62,975.34x = 86,906.04 × 34,295.05
  4. Step 4: Simplify right side
    62,975.34x = 2,980,446,574.74
  5. Step 5: Solve for x
    x = 2,980,446,574.74/62,975.34
  6. Step 6: Final answer
    x = 47,327.20

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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.