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Finding the Fourth Proportional to 70,193.60, 96,866.93 and 38,362.49

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Solution

The fourth proportional to 70,193.60, 96,866.93 and 38,362.49 is: 52,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.60 : 96,866.93 = 38,362.49 : x
  2. Step 2: Convert to fraction form
    70,193.60/96,866.93 = 38,362.49/x
  3. Step 3: Cross multiply
    70,193.60x = 96,866.93 × 38,362.49
  4. Step 4: Simplify right side
    70,193.60x = 3,716,055,957.31
  5. Step 5: Solve for x
    x = 3,716,055,957.31/70,193.60
  6. Step 6: Final answer
    x = 52,940.10

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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.