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Finding the Fourth Proportional to 70,525.36, 97,324.28 and 38,694.32

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Solution

The fourth proportional to 70,525.36, 97,324.28 and 38,694.32 is: 53,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.36 : 97,324.28 = 38,694.32 : x
  2. Step 2: Convert to fraction form
    70,525.36/97,324.28 = 38,694.32/x
  3. Step 3: Cross multiply
    70,525.36x = 97,324.28 × 38,694.32
  4. Step 4: Simplify right side
    70,525.36x = 3,765,896,834.09
  5. Step 5: Solve for x
    x = 3,765,896,834.09/70,525.36
  6. Step 6: Final answer
    x = 53,397.77

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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.