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Finding the Fourth Proportional to 8,926.02, 12,312.14 and 7,034.67

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Solution

The fourth proportional to 8,926.02, 12,312.14 and 7,034.67 is: 9,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.02 : 12,312.14 = 7,034.67 : x
  2. Step 2: Convert to fraction form
    8,926.02/12,312.14 = 7,034.67/x
  3. Step 3: Cross multiply
    8,926.02x = 12,312.14 × 7,034.67
  4. Step 4: Simplify right side
    8,926.02x = 86,611,806.72
  5. Step 5: Solve for x
    x = 86,611,806.72/8,926.02
  6. Step 6: Final answer
    x = 9,703.30

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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.