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Finding the Fourth Proportional to 8,370.84, 12,557.56 and 2,746.74

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Solution

The fourth proportional to 8,370.84, 12,557.56 and 2,746.74 is: 4,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.84 : 12,557.56 = 2,746.74 : x
  2. Step 2: Convert to fraction form
    8,370.84/12,557.56 = 2,746.74/x
  3. Step 3: Cross multiply
    8,370.84x = 12,557.56 × 2,746.74
  4. Step 4: Simplify right side
    8,370.84x = 34,492,352.35
  5. Step 5: Solve for x
    x = 34,492,352.35/8,370.84
  6. Step 6: Final answer
    x = 4,120.54

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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.