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Finding the Fourth Proportional to 9,693.94, 14,521.18 and 8,886.64

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Solution

The fourth proportional to 9,693.94, 14,521.18 and 8,886.64 is: 13,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.94 : 14,521.18 = 8,886.64 : x
  2. Step 2: Convert to fraction form
    9,693.94/14,521.18 = 8,886.64/x
  3. Step 3: Cross multiply
    9,693.94x = 14,521.18 × 8,886.64
  4. Step 4: Simplify right side
    9,693.94x = 129,044,499.04
  5. Step 5: Solve for x
    x = 129,044,499.04/9,693.94
  6. Step 6: Final answer
    x = 13,311.87

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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.