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Finding the Fourth Proportional to 8,888.46, 12,256.88 and 7,633.67

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Solution

The fourth proportional to 8,888.46, 12,256.88 and 7,633.67 is: 10,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.46 : 12,256.88 = 7,633.67 : x
  2. Step 2: Convert to fraction form
    8,888.46/12,256.88 = 7,633.67/x
  3. Step 3: Cross multiply
    8,888.46x = 12,256.88 × 7,633.67
  4. Step 4: Simplify right side
    8,888.46x = 93,564,915.87
  5. Step 5: Solve for x
    x = 93,564,915.87/8,888.46
  6. Step 6: Final answer
    x = 10,526.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.