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Finding the Fourth Proportional to 62,655.74, 86,579.38 and 45,630.36

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Solution

The fourth proportional to 62,655.74, 86,579.38 and 45,630.36 is: 63,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,655.74 : 86,579.38 = 45,630.36 : x
  2. Step 2: Convert to fraction form
    62,655.74/86,579.38 = 45,630.36/x
  3. Step 3: Cross multiply
    62,655.74x = 86,579.38 × 45,630.36
  4. Step 4: Simplify right side
    62,655.74x = 3,950,648,277.98
  5. Step 5: Solve for x
    x = 3,950,648,277.98/62,655.74
  6. Step 6: Final answer
    x = 63,053.25

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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.