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Finding the Fourth Proportional to 6,894.60, 10,345.50 and 6,522.84

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Solution

The fourth proportional to 6,894.60, 10,345.50 and 6,522.84 is: 9,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.60 : 10,345.50 = 6,522.84 : x
  2. Step 2: Convert to fraction form
    6,894.60/10,345.50 = 6,522.84/x
  3. Step 3: Cross multiply
    6,894.60x = 10,345.50 × 6,522.84
  4. Step 4: Simplify right side
    6,894.60x = 67,482,041.22
  5. Step 5: Solve for x
    x = 67,482,041.22/6,894.60
  6. Step 6: Final answer
    x = 9,787.67

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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.