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Finding the Fourth Proportional to 73,472.36, 101,392.26 and 43,259

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Solution

The fourth proportional to 73,472.36, 101,392.26 and 43,259 is: 59,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,472.36 : 101,392.26 = 43,259 : x
  2. Step 2: Convert to fraction form
    73,472.36/101,392.26 = 43,259/x
  3. Step 3: Cross multiply
    73,472.36x = 101,392.26 × 43,259
  4. Step 4: Simplify right side
    73,472.36x = 4,386,127,775.34
  5. Step 5: Solve for x
    x = 4,386,127,775.34/73,472.36
  6. Step 6: Final answer
    x = 59,697.66

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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.