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Finding the Fourth Proportional to 44,509.86, 66,778.89 and 19,570.98

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Solution

The fourth proportional to 44,509.86, 66,778.89 and 19,570.98 is: 29,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,509.86 : 66,778.89 = 19,570.98 : x
  2. Step 2: Convert to fraction form
    44,509.86/66,778.89 = 19,570.98/x
  3. Step 3: Cross multiply
    44,509.86x = 66,778.89 × 19,570.98
  4. Step 4: Simplify right side
    44,509.86x = 1,306,928,320.61
  5. Step 5: Solve for x
    x = 1,306,928,320.61/44,509.86
  6. Step 6: Final answer
    x = 29,362.67

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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.