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Finding the Fourth Proportional to 70,767.68, 97,608.38 and 40,541.99

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Solution

The fourth proportional to 70,767.68, 97,608.38 and 40,541.99 is: 55,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.68 : 97,608.38 = 40,541.99 : x
  2. Step 2: Convert to fraction form
    70,767.68/97,608.38 = 40,541.99/x
  3. Step 3: Cross multiply
    70,767.68x = 97,608.38 × 40,541.99
  4. Step 4: Simplify right side
    70,767.68x = 3,957,237,275.12
  5. Step 5: Solve for x
    x = 3,957,237,275.12/70,767.68
  6. Step 6: Final answer
    x = 55,918.71

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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.