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Finding the Fourth Proportional to 8,967.47, 13,434.98 and 5,013.99

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Solution

The fourth proportional to 8,967.47, 13,434.98 and 5,013.99 is: 7,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.47 : 13,434.98 = 5,013.99 : x
  2. Step 2: Convert to fraction form
    8,967.47/13,434.98 = 5,013.99/x
  3. Step 3: Cross multiply
    8,967.47x = 13,434.98 × 5,013.99
  4. Step 4: Simplify right side
    8,967.47x = 67,362,830.30
  5. Step 5: Solve for x
    x = 67,362,830.30/8,967.47
  6. Step 6: Final answer
    x = 7,511.91

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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.