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Finding the Fourth Proportional to 72,068.84, 108,103.26 and 22,817

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Solution

The fourth proportional to 72,068.84, 108,103.26 and 22,817 is: 34,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068.84 : 108,103.26 = 22,817 : x
  2. Step 2: Convert to fraction form
    72,068.84/108,103.26 = 22,817/x
  3. Step 3: Cross multiply
    72,068.84x = 108,103.26 × 22,817
  4. Step 4: Simplify right side
    72,068.84x = 2,466,592,083.42
  5. Step 5: Solve for x
    x = 2,466,592,083.42/72,068.84
  6. Step 6: Final answer
    x = 34,225.50

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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.