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Finding the Fourth Proportional to 55,796.92, 77,000.30 and 30,646.42

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Solution

The fourth proportional to 55,796.92, 77,000.30 and 30,646.42 is: 42,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.92 : 77,000.30 = 30,646.42 : x
  2. Step 2: Convert to fraction form
    55,796.92/77,000.30 = 30,646.42/x
  3. Step 3: Cross multiply
    55,796.92x = 77,000.30 × 30,646.42
  4. Step 4: Simplify right side
    55,796.92x = 2,359,783,533.93
  5. Step 5: Solve for x
    x = 2,359,783,533.93/55,796.92
  6. Step 6: Final answer
    x = 42,292.36

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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.