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Finding the Fourth Proportional to 15,007.76, 22,511.93 and 4,619.50

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Solution

The fourth proportional to 15,007.76, 22,511.93 and 4,619.50 is: 6,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.76 : 22,511.93 = 4,619.50 : x
  2. Step 2: Convert to fraction form
    15,007.76/22,511.93 = 4,619.50/x
  3. Step 3: Cross multiply
    15,007.76x = 22,511.93 × 4,619.50
  4. Step 4: Simplify right side
    15,007.76x = 103,993,860.64
  5. Step 5: Solve for x
    x = 103,993,860.64/15,007.76
  6. Step 6: Final answer
    x = 6,929.34

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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.