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Finding the Fourth Proportional to 8,753.63, 13,130.63 and 4,882.67

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Solution

The fourth proportional to 8,753.63, 13,130.63 and 4,882.67 is: 7,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.63 : 13,130.63 = 4,882.67 : x
  2. Step 2: Convert to fraction form
    8,753.63/13,130.63 = 4,882.67/x
  3. Step 3: Cross multiply
    8,753.63x = 13,130.63 × 4,882.67
  4. Step 4: Simplify right side
    8,753.63x = 64,112,533.18
  5. Step 5: Solve for x
    x = 64,112,533.18/8,753.63
  6. Step 6: Final answer
    x = 7,324.11

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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.