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Finding the Fourth Proportional to 67,464.10, 101,196.15 and 20,710.90

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Solution

The fourth proportional to 67,464.10, 101,196.15 and 20,710.90 is: 31,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,464.10 : 101,196.15 = 20,710.90 : x
  2. Step 2: Convert to fraction form
    67,464.10/101,196.15 = 20,710.90/x
  3. Step 3: Cross multiply
    67,464.10x = 101,196.15 × 20,710.90
  4. Step 4: Simplify right side
    67,464.10x = 2,095,863,343.04
  5. Step 5: Solve for x
    x = 2,095,863,343.04/67,464.10
  6. Step 6: Final answer
    x = 31,066.35

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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.