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Finding the Fourth Proportional to 9,904.37, 14,859.02 and 6,988.37

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Solution

The fourth proportional to 9,904.37, 14,859.02 and 6,988.37 is: 10,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.37 : 14,859.02 = 6,988.37 : x
  2. Step 2: Convert to fraction form
    9,904.37/14,859.02 = 6,988.37/x
  3. Step 3: Cross multiply
    9,904.37x = 14,859.02 × 6,988.37
  4. Step 4: Simplify right side
    9,904.37x = 103,840,272.77
  5. Step 5: Solve for x
    x = 103,840,272.77/9,904.37
  6. Step 6: Final answer
    x = 10,484.29

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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.