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Finding the Fourth Proportional to 8,580.76, 12,880.23 and 7,599.94

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Solution

The fourth proportional to 8,580.76, 12,880.23 and 7,599.94 is: 11,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.76 : 12,880.23 = 7,599.94 : x
  2. Step 2: Convert to fraction form
    8,580.76/12,880.23 = 7,599.94/x
  3. Step 3: Cross multiply
    8,580.76x = 12,880.23 × 7,599.94
  4. Step 4: Simplify right side
    8,580.76x = 97,888,995.64
  5. Step 5: Solve for x
    x = 97,888,995.64/8,580.76
  6. Step 6: Final answer
    x = 11,407.97

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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.