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Finding the Fourth Proportional to 70,775.72, 97,673.70 and 43,926.87

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Solution

The fourth proportional to 70,775.72, 97,673.70 and 43,926.87 is: 60,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,775.72 : 97,673.70 = 43,926.87 : x
  2. Step 2: Convert to fraction form
    70,775.72/97,673.70 = 43,926.87/x
  3. Step 3: Cross multiply
    70,775.72x = 97,673.70 × 43,926.87
  4. Step 4: Simplify right side
    70,775.72x = 4,290,499,922.32
  5. Step 5: Solve for x
    x = 4,290,499,922.32/70,775.72
  6. Step 6: Final answer
    x = 60,621.07

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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.