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Finding the Fourth Proportional to 9,810.57, 14,714.28 and 4,262.42

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Solution

The fourth proportional to 9,810.57, 14,714.28 and 4,262.42 is: 6,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.57 : 14,714.28 = 4,262.42 : x
  2. Step 2: Convert to fraction form
    9,810.57/14,714.28 = 4,262.42/x
  3. Step 3: Cross multiply
    9,810.57x = 14,714.28 × 4,262.42
  4. Step 4: Simplify right side
    9,810.57x = 62,718,367.79
  5. Step 5: Solve for x
    x = 62,718,367.79/9,810.57
  6. Step 6: Final answer
    x = 6,392.94

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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.