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Finding the Fourth Proportional to 44,353.98, 66,520.91 and 12,763.98

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Solution

The fourth proportional to 44,353.98, 66,520.91 and 12,763.98 is: 19,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,353.98 : 66,520.91 = 12,763.98 : x
  2. Step 2: Convert to fraction form
    44,353.98/66,520.91 = 12,763.98/x
  3. Step 3: Cross multiply
    44,353.98x = 66,520.91 × 12,763.98
  4. Step 4: Simplify right side
    44,353.98x = 849,071,596.73
  5. Step 5: Solve for x
    x = 849,071,596.73/44,353.98
  6. Step 6: Final answer
    x = 19,143.08

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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.