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Finding the Fourth Proportional to 9,853.52, 14,715.30 and 8,764.88

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Solution

The fourth proportional to 9,853.52, 14,715.30 and 8,764.88 is: 13,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.52 : 14,715.30 = 8,764.88 : x
  2. Step 2: Convert to fraction form
    9,853.52/14,715.30 = 8,764.88/x
  3. Step 3: Cross multiply
    9,853.52x = 14,715.30 × 8,764.88
  4. Step 4: Simplify right side
    9,853.52x = 128,977,797.96
  5. Step 5: Solve for x
    x = 128,977,797.96/9,853.52
  6. Step 6: Final answer
    x = 13,089.52

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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.