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Finding the Fourth Proportional to 71,647.17, 107,466.87 and 29,526.45

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Solution

The fourth proportional to 71,647.17, 107,466.87 and 29,526.45 is: 44,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,647.17 : 107,466.87 = 29,526.45 : x
  2. Step 2: Convert to fraction form
    71,647.17/107,466.87 = 29,526.45/x
  3. Step 3: Cross multiply
    71,647.17x = 107,466.87 × 29,526.45
  4. Step 4: Simplify right side
    71,647.17x = 3,173,115,163.71
  5. Step 5: Solve for x
    x = 3,173,115,163.71/71,647.17
  6. Step 6: Final answer
    x = 44,288.07

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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.