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Finding the Fourth Proportional to 56,357.91, 77,707.89 and 44,990.98

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Solution

The fourth proportional to 56,357.91, 77,707.89 and 44,990.98 is: 62,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.91 : 77,707.89 = 44,990.98 : x
  2. Step 2: Convert to fraction form
    56,357.91/77,707.89 = 44,990.98/x
  3. Step 3: Cross multiply
    56,357.91x = 77,707.89 × 44,990.98
  4. Step 4: Simplify right side
    56,357.91x = 3,496,153,930.56
  5. Step 5: Solve for x
    x = 3,496,153,930.56/56,357.91
  6. Step 6: Final answer
    x = 62,034.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.