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Finding the Fourth Proportional to 64,603.98, 96,925.41 and 20,235.42

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Solution

The fourth proportional to 64,603.98, 96,925.41 and 20,235.42 is: 30,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,603.98 : 96,925.41 = 20,235.42 : x
  2. Step 2: Convert to fraction form
    64,603.98/96,925.41 = 20,235.42/x
  3. Step 3: Cross multiply
    64,603.98x = 96,925.41 × 20,235.42
  4. Step 4: Simplify right side
    64,603.98x = 1,961,326,380.02
  5. Step 5: Solve for x
    x = 1,961,326,380.02/64,603.98
  6. Step 6: Final answer
    x = 30,359.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.