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Finding the Fourth Proportional to 70,400.70, 97,150.50 and 38,569.32

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Solution

The fourth proportional to 70,400.70, 97,150.50 and 38,569.32 is: 53,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.70 : 97,150.50 = 38,569.32 : x
  2. Step 2: Convert to fraction form
    70,400.70/97,150.50 = 38,569.32/x
  3. Step 3: Cross multiply
    70,400.70x = 97,150.50 × 38,569.32
  4. Step 4: Simplify right side
    70,400.70x = 3,747,028,722.66
  5. Step 5: Solve for x
    x = 3,747,028,722.66/70,400.70
  6. Step 6: Final answer
    x = 53,224.31

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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.