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Finding the Fourth Proportional to 19,904.10, 29,856.06 and 9,484.26

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Solution

The fourth proportional to 19,904.10, 29,856.06 and 9,484.26 is: 14,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.10 : 29,856.06 = 9,484.26 : x
  2. Step 2: Convert to fraction form
    19,904.10/29,856.06 = 9,484.26/x
  3. Step 3: Cross multiply
    19,904.10x = 29,856.06 × 9,484.26
  4. Step 4: Simplify right side
    19,904.10x = 283,162,635.62
  5. Step 5: Solve for x
    x = 283,162,635.62/19,904.10
  6. Step 6: Final answer
    x = 14,226.35

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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.