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Finding the Fourth Proportional to 8,997.47, 13,501.06 and 4,380.47

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Solution

The fourth proportional to 8,997.47, 13,501.06 and 4,380.47 is: 6,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.47 : 13,501.06 = 4,380.47 : x
  2. Step 2: Convert to fraction form
    8,997.47/13,501.06 = 4,380.47/x
  3. Step 3: Cross multiply
    8,997.47x = 13,501.06 × 4,380.47
  4. Step 4: Simplify right side
    8,997.47x = 59,140,985.11
  5. Step 5: Solve for x
    x = 59,140,985.11/8,997.47
  6. Step 6: Final answer
    x = 6,573.07

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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.