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Finding the Fourth Proportional to 9,859.81, 14,714.24 and 8,808.00

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Solution

The fourth proportional to 9,859.81, 14,714.24 and 8,808.00 is: 13,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.81 : 14,714.24 = 8,808.00 : x
  2. Step 2: Convert to fraction form
    9,859.81/14,714.24 = 8,808.00/x
  3. Step 3: Cross multiply
    9,859.81x = 14,714.24 × 8,808.00
  4. Step 4: Simplify right side
    9,859.81x = 129,602,974.37
  5. Step 5: Solve for x
    x = 129,602,974.37/9,859.81
  6. Step 6: Final answer
    x = 13,144.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.