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Finding the Fourth Proportional to 8,984.79, 13,472.58 and 4,828.30

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Solution

The fourth proportional to 8,984.79, 13,472.58 and 4,828.30 is: 7,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.79 : 13,472.58 = 4,828.30 : x
  2. Step 2: Convert to fraction form
    8,984.79/13,472.58 = 4,828.30/x
  3. Step 3: Cross multiply
    8,984.79x = 13,472.58 × 4,828.30
  4. Step 4: Simplify right side
    8,984.79x = 65,049,658.01
  5. Step 5: Solve for x
    x = 65,049,658.01/8,984.79
  6. Step 6: Final answer
    x = 7,239.98

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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.