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Finding the Fourth Proportional to 67,458.69, 93,006.36 and 55,314.63

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Solution

The fourth proportional to 67,458.69, 93,006.36 and 55,314.63 is: 76,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.69 : 93,006.36 = 55,314.63 : x
  2. Step 2: Convert to fraction form
    67,458.69/93,006.36 = 55,314.63/x
  3. Step 3: Cross multiply
    67,458.69x = 93,006.36 × 55,314.63
  4. Step 4: Simplify right side
    67,458.69x = 5,144,612,391.05
  5. Step 5: Solve for x
    x = 5,144,612,391.05/67,458.69
  6. Step 6: Final answer
    x = 76,263.15

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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.