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Finding the Fourth Proportional to 62,841.80, 86,721.07 and 46,780.94

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Solution

The fourth proportional to 62,841.80, 86,721.07 and 46,780.94 is: 64,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.80 : 86,721.07 = 46,780.94 : x
  2. Step 2: Convert to fraction form
    62,841.80/86,721.07 = 46,780.94/x
  3. Step 3: Cross multiply
    62,841.80x = 86,721.07 × 46,780.94
  4. Step 4: Simplify right side
    62,841.80x = 4,056,893,172.41
  5. Step 5: Solve for x
    x = 4,056,893,172.41/62,841.80
  6. Step 6: Final answer
    x = 64,557.24

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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.