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Finding the Fourth Proportional to 62,518.68, 86,252.49 and 39,852.45

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Solution

The fourth proportional to 62,518.68, 86,252.49 and 39,852.45 is: 54,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,518.68 : 86,252.49 = 39,852.45 : x
  2. Step 2: Convert to fraction form
    62,518.68/86,252.49 = 39,852.45/x
  3. Step 3: Cross multiply
    62,518.68x = 86,252.49 × 39,852.45
  4. Step 4: Simplify right side
    62,518.68x = 3,437,373,045.10
  5. Step 5: Solve for x
    x = 3,437,373,045.10/62,518.68
  6. Step 6: Final answer
    x = 54,981.54

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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.