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Finding the Fourth Proportional to 67,806.48, 93,539.70 and 58,841.40

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Solution

The fourth proportional to 67,806.48, 93,539.70 and 58,841.40 is: 81,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,806.48 : 93,539.70 = 58,841.40 : x
  2. Step 2: Convert to fraction form
    67,806.48/93,539.70 = 58,841.40/x
  3. Step 3: Cross multiply
    67,806.48x = 93,539.70 × 58,841.40
  4. Step 4: Simplify right side
    67,806.48x = 5,504,006,903.58
  5. Step 5: Solve for x
    x = 5,504,006,903.58/67,806.48
  6. Step 6: Final answer
    x = 81,172.28

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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.