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Finding the Fourth Proportional to 96,797.80, 133,587.60 and 53,782.48

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Solution

The fourth proportional to 96,797.80, 133,587.60 and 53,782.48 is: 74,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,797.80 : 133,587.60 = 53,782.48 : x
  2. Step 2: Convert to fraction form
    96,797.80/133,587.60 = 53,782.48/x
  3. Step 3: Cross multiply
    96,797.80x = 133,587.60 × 53,782.48
  4. Step 4: Simplify right side
    96,797.80x = 7,184,672,425.25
  5. Step 5: Solve for x
    x = 7,184,672,425.25/96,797.80
  6. Step 6: Final answer
    x = 74,223.51

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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.