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Finding the Fourth Proportional to 8,599.26, 12,888.90 and 7,041.90

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Solution

The fourth proportional to 8,599.26, 12,888.90 and 7,041.90 is: 10,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.26 : 12,888.90 = 7,041.90 : x
  2. Step 2: Convert to fraction form
    8,599.26/12,888.90 = 7,041.90/x
  3. Step 3: Cross multiply
    8,599.26x = 12,888.90 × 7,041.90
  4. Step 4: Simplify right side
    8,599.26x = 90,762,344.91
  5. Step 5: Solve for x
    x = 90,762,344.91/8,599.26
  6. Step 6: Final answer
    x = 10,554.67

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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.