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Finding the Fourth Proportional to 70,714.72, 106,044.30 and 26,317.18

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Solution

The fourth proportional to 70,714.72, 106,044.30 and 26,317.18 is: 39,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.72 : 106,044.30 = 26,317.18 : x
  2. Step 2: Convert to fraction form
    70,714.72/106,044.30 = 26,317.18/x
  3. Step 3: Cross multiply
    70,714.72x = 106,044.30 × 26,317.18
  4. Step 4: Simplify right side
    70,714.72x = 2,790,786,931.07
  5. Step 5: Solve for x
    x = 2,790,786,931.07/70,714.72
  6. Step 6: Final answer
    x = 39,465.43

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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.