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Finding the Fourth Proportional to 62,776.98, 86,632.29 and 34,484.49

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Solution

The fourth proportional to 62,776.98, 86,632.29 and 34,484.49 is: 47,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,776.98 : 86,632.29 = 34,484.49 : x
  2. Step 2: Convert to fraction form
    62,776.98/86,632.29 = 34,484.49/x
  3. Step 3: Cross multiply
    62,776.98x = 86,632.29 × 34,484.49
  4. Step 4: Simplify right side
    62,776.98x = 2,987,470,338.18
  5. Step 5: Solve for x
    x = 2,987,470,338.18/62,776.98
  6. Step 6: Final answer
    x = 47,588.63

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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.