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Finding the Fourth Proportional to 5,894.32, 8,841.48 and 1,511.78

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Solution

The fourth proportional to 5,894.32, 8,841.48 and 1,511.78 is: 2,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.32 : 8,841.48 = 1,511.78 : x
  2. Step 2: Convert to fraction form
    5,894.32/8,841.48 = 1,511.78/x
  3. Step 3: Cross multiply
    5,894.32x = 8,841.48 × 1,511.78
  4. Step 4: Simplify right side
    5,894.32x = 13,366,360.61
  5. Step 5: Solve for x
    x = 13,366,360.61/5,894.32
  6. Step 6: Final answer
    x = 2,267.67

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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.