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Finding the Fourth Proportional to 44,657.34, 66,991.42 and 19,703.67

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Solution

The fourth proportional to 44,657.34, 66,991.42 and 19,703.67 is: 29,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,657.34 : 66,991.42 = 19,703.67 : x
  2. Step 2: Convert to fraction form
    44,657.34/66,991.42 = 19,703.67/x
  3. Step 3: Cross multiply
    44,657.34x = 66,991.42 × 19,703.67
  4. Step 4: Simplify right side
    44,657.34x = 1,319,976,605.92
  5. Step 5: Solve for x
    x = 1,319,976,605.92/44,657.34
  6. Step 6: Final answer
    x = 29,557.89

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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.