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Finding the Fourth Proportional to 56,707.86, 78,224.22 and 35,450.22

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Solution

The fourth proportional to 56,707.86, 78,224.22 and 35,450.22 is: 48,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,707.86 : 78,224.22 = 35,450.22 : x
  2. Step 2: Convert to fraction form
    56,707.86/78,224.22 = 35,450.22/x
  3. Step 3: Cross multiply
    56,707.86x = 78,224.22 × 35,450.22
  4. Step 4: Simplify right side
    56,707.86x = 2,773,065,808.33
  5. Step 5: Solve for x
    x = 2,773,065,808.33/56,707.86
  6. Step 6: Final answer
    x = 48,900.91

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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.