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Finding the Fourth Proportional to 15,007.71, 22,511.85 and 4,619.46

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Solution

The fourth proportional to 15,007.71, 22,511.85 and 4,619.46 is: 6,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.71 : 22,511.85 = 4,619.46 : x
  2. Step 2: Convert to fraction form
    15,007.71/22,511.85 = 4,619.46/x
  3. Step 3: Cross multiply
    15,007.71x = 22,511.85 × 4,619.46
  4. Step 4: Simplify right side
    15,007.71x = 103,992,590.60
  5. Step 5: Solve for x
    x = 103,992,590.60/15,007.71
  6. Step 6: Final answer
    x = 6,929.28

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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.