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Finding the Fourth Proportional to 5,007.53, 7,511.31 and 1,886.70

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Solution

The fourth proportional to 5,007.53, 7,511.31 and 1,886.70 is: 2,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.53 : 7,511.31 = 1,886.70 : x
  2. Step 2: Convert to fraction form
    5,007.53/7,511.31 = 1,886.70/x
  3. Step 3: Cross multiply
    5,007.53x = 7,511.31 × 1,886.70
  4. Step 4: Simplify right side
    5,007.53x = 14,171,567.48
  5. Step 5: Solve for x
    x = 14,171,567.48/5,007.53
  6. Step 6: Final answer
    x = 2,830.05

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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.