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Finding the Fourth Proportional to 58,197.78, 80,322.60 and 34,330.32

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Solution

The fourth proportional to 58,197.78, 80,322.60 and 34,330.32 is: 47,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,197.78 : 80,322.60 = 34,330.32 : x
  2. Step 2: Convert to fraction form
    58,197.78/80,322.60 = 34,330.32/x
  3. Step 3: Cross multiply
    58,197.78x = 80,322.60 × 34,330.32
  4. Step 4: Simplify right side
    58,197.78x = 2,757,500,561.23
  5. Step 5: Solve for x
    x = 2,757,500,561.23/58,197.78
  6. Step 6: Final answer
    x = 47,381.54

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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.