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Finding the Fourth Proportional to 67,455.84, 93,070.92 and 43,573.80

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Solution

The fourth proportional to 67,455.84, 93,070.92 and 43,573.80 is: 60,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.84 : 93,070.92 = 43,573.80 : x
  2. Step 2: Convert to fraction form
    67,455.84/93,070.92 = 43,573.80/x
  3. Step 3: Cross multiply
    67,455.84x = 93,070.92 × 43,573.80
  4. Step 4: Simplify right side
    67,455.84x = 4,055,453,653.90
  5. Step 5: Solve for x
    x = 4,055,453,653.90/67,455.84
  6. Step 6: Final answer
    x = 60,120.13

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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.