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Finding the Fourth Proportional to 54,235.94, 74,793.02 and 42,294.92

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Solution

The fourth proportional to 54,235.94, 74,793.02 and 42,294.92 is: 58,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.94 : 74,793.02 = 42,294.92 : x
  2. Step 2: Convert to fraction form
    54,235.94/74,793.02 = 42,294.92/x
  3. Step 3: Cross multiply
    54,235.94x = 74,793.02 × 42,294.92
  4. Step 4: Simplify right side
    54,235.94x = 3,163,364,212.02
  5. Step 5: Solve for x
    x = 3,163,364,212.02/54,235.94
  6. Step 6: Final answer
    x = 58,325.98

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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.