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Finding the Fourth Proportional to 66,818.08, 100,228.88 and 22,446.40

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Solution

The fourth proportional to 66,818.08, 100,228.88 and 22,446.40 is: 33,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.08 : 100,228.88 = 22,446.40 : x
  2. Step 2: Convert to fraction form
    66,818.08/100,228.88 = 22,446.40/x
  3. Step 3: Cross multiply
    66,818.08x = 100,228.88 × 22,446.40
  4. Step 4: Simplify right side
    66,818.08x = 2,249,777,532.03
  5. Step 5: Solve for x
    x = 2,249,777,532.03/66,818.08
  6. Step 6: Final answer
    x = 33,670.19

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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.