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Finding the Fourth Proportional to 70,657.52, 97,406.55 and 50,507.04

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Solution

The fourth proportional to 70,657.52, 97,406.55 and 50,507.04 is: 69,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,657.52 : 97,406.55 = 50,507.04 : x
  2. Step 2: Convert to fraction form
    70,657.52/97,406.55 = 50,507.04/x
  3. Step 3: Cross multiply
    70,657.52x = 97,406.55 × 50,507.04
  4. Step 4: Simplify right side
    70,657.52x = 4,919,716,882.39
  5. Step 5: Solve for x
    x = 4,919,716,882.39/70,657.52
  6. Step 6: Final answer
    x = 69,627.65

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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.