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Finding the Fourth Proportional to 70,944.03, 97,897.83 and 39,903.93

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Solution

The fourth proportional to 70,944.03, 97,897.83 and 39,903.93 is: 55,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.03 : 97,897.83 = 39,903.93 : x
  2. Step 2: Convert to fraction form
    70,944.03/97,897.83 = 39,903.93/x
  3. Step 3: Cross multiply
    70,944.03x = 97,897.83 × 39,903.93
  4. Step 4: Simplify right side
    70,944.03x = 3,906,508,155.47
  5. Step 5: Solve for x
    x = 3,906,508,155.47/70,944.03
  6. Step 6: Final answer
    x = 55,064.65

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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.