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Finding the Fourth Proportional to 29,417.98, 44,126.90 and 12,775.86

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Solution

The fourth proportional to 29,417.98, 44,126.90 and 12,775.86 is: 19,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,417.98 : 44,126.90 = 12,775.86 : x
  2. Step 2: Convert to fraction form
    29,417.98/44,126.90 = 12,775.86/x
  3. Step 3: Cross multiply
    29,417.98x = 44,126.90 × 12,775.86
  4. Step 4: Simplify right side
    29,417.98x = 563,758,876.00
  5. Step 5: Solve for x
    x = 563,758,876.00/29,417.98
  6. Step 6: Final answer
    x = 19,163.75

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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.