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Finding the Fourth Proportional to 10,008.88, 14,993.88 and 4,818.40

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Solution

The fourth proportional to 10,008.88, 14,993.88 and 4,818.40 is: 7,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.88 : 14,993.88 = 4,818.40 : x
  2. Step 2: Convert to fraction form
    10,008.88/14,993.88 = 4,818.40/x
  3. Step 3: Cross multiply
    10,008.88x = 14,993.88 × 4,818.40
  4. Step 4: Simplify right side
    10,008.88x = 72,246,511.39
  5. Step 5: Solve for x
    x = 72,246,511.39/10,008.88
  6. Step 6: Final answer
    x = 7,218.24

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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.