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Finding the Fourth Proportional to 62,710.98, 86,545.65 and 35,852.79

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Solution

The fourth proportional to 62,710.98, 86,545.65 and 35,852.79 is: 49,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.98 : 86,545.65 = 35,852.79 : x
  2. Step 2: Convert to fraction form
    62,710.98/86,545.65 = 35,852.79/x
  3. Step 3: Cross multiply
    62,710.98x = 86,545.65 × 35,852.79
  4. Step 4: Simplify right side
    62,710.98x = 3,102,903,014.86
  5. Step 5: Solve for x
    x = 3,102,903,014.86/62,710.98
  6. Step 6: Final answer
    x = 49,479.42

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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.