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Finding the Fourth Proportional to 7,005.08, 10,503.07 and 4,913.46

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Solution

The fourth proportional to 7,005.08, 10,503.07 and 4,913.46 is: 7,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.08 : 10,503.07 = 4,913.46 : x
  2. Step 2: Convert to fraction form
    7,005.08/10,503.07 = 4,913.46/x
  3. Step 3: Cross multiply
    7,005.08x = 10,503.07 × 4,913.46
  4. Step 4: Simplify right side
    7,005.08x = 51,606,402.04
  5. Step 5: Solve for x
    x = 51,606,402.04/7,005.08
  6. Step 6: Final answer
    x = 7,366.99

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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.