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Finding the Fourth Proportional to 67,693, 93,403.38 and 43,816.36

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Solution

The fourth proportional to 67,693, 93,403.38 and 43,816.36 is: 60,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,693 : 93,403.38 = 43,816.36 : x
  2. Step 2: Convert to fraction form
    67,693/93,403.38 = 43,816.36/x
  3. Step 3: Cross multiply
    67,693x = 93,403.38 × 43,816.36
  4. Step 4: Simplify right side
    67,693x = 4,092,596,123.30
  5. Step 5: Solve for x
    x = 4,092,596,123.30/67,693
  6. Step 6: Final answer
    x = 60,458.19

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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.