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Finding the Fourth Proportional to 14,104.11, 19,465.04 and 7,818.03

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Solution

The fourth proportional to 14,104.11, 19,465.04 and 7,818.03 is: 10,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.11 : 19,465.04 = 7,818.03 : x
  2. Step 2: Convert to fraction form
    14,104.11/19,465.04 = 7,818.03/x
  3. Step 3: Cross multiply
    14,104.11x = 19,465.04 × 7,818.03
  4. Step 4: Simplify right side
    14,104.11x = 152,178,227.58
  5. Step 5: Solve for x
    x = 152,178,227.58/14,104.11
  6. Step 6: Final answer
    x = 10,789.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.