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Finding the Fourth Proportional to 10,423.58, 15,606.61 and 5,482.58

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Solution

The fourth proportional to 10,423.58, 15,606.61 and 5,482.58 is: 8,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.58 : 15,606.61 = 5,482.58 : x
  2. Step 2: Convert to fraction form
    10,423.58/15,606.61 = 5,482.58/x
  3. Step 3: Cross multiply
    10,423.58x = 15,606.61 × 5,482.58
  4. Step 4: Simplify right side
    10,423.58x = 85,564,396.11
  5. Step 5: Solve for x
    x = 85,564,396.11/10,423.58
  6. Step 6: Final answer
    x = 8,208.74

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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.