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Finding the Fourth Proportional to 59,386.67, 81,930.80 and 33,894.45

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Solution

The fourth proportional to 59,386.67, 81,930.80 and 33,894.45 is: 46,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,386.67 : 81,930.80 = 33,894.45 : x
  2. Step 2: Convert to fraction form
    59,386.67/81,930.80 = 33,894.45/x
  3. Step 3: Cross multiply
    59,386.67x = 81,930.80 × 33,894.45
  4. Step 4: Simplify right side
    59,386.67x = 2,776,999,319.32
  5. Step 5: Solve for x
    x = 2,776,999,319.32/59,386.67
  6. Step 6: Final answer
    x = 46,761.33

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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.