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Finding the Fourth Proportional to 21,594.69, 29,800.15 and 12,034.55

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Solution

The fourth proportional to 21,594.69, 29,800.15 and 12,034.55 is: 16,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.69 : 29,800.15 = 12,034.55 : x
  2. Step 2: Convert to fraction form
    21,594.69/29,800.15 = 12,034.55/x
  3. Step 3: Cross multiply
    21,594.69x = 29,800.15 × 12,034.55
  4. Step 4: Simplify right side
    21,594.69x = 358,631,439.60
  5. Step 5: Solve for x
    x = 358,631,439.60/21,594.69
  6. Step 6: Final answer
    x = 16,607.39

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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.