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Finding the Fourth Proportional to 70,846.68, 97,767.96 and 39,015.36

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Solution

The fourth proportional to 70,846.68, 97,767.96 and 39,015.36 is: 53,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.68 : 97,767.96 = 39,015.36 : x
  2. Step 2: Convert to fraction form
    70,846.68/97,767.96 = 39,015.36/x
  3. Step 3: Cross multiply
    70,846.68x = 97,767.96 × 39,015.36
  4. Step 4: Simplify right side
    70,846.68x = 3,814,452,155.87
  5. Step 5: Solve for x
    x = 3,814,452,155.87/70,846.68
  6. Step 6: Final answer
    x = 53,840.94

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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.