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Finding the Fourth Proportional to 56,762.67, 78,329.04 and 32,885.22

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Solution

The fourth proportional to 56,762.67, 78,329.04 and 32,885.22 is: 45,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.67 : 78,329.04 = 32,885.22 : x
  2. Step 2: Convert to fraction form
    56,762.67/78,329.04 = 32,885.22/x
  3. Step 3: Cross multiply
    56,762.67x = 78,329.04 × 32,885.22
  4. Step 4: Simplify right side
    56,762.67x = 2,575,867,712.79
  5. Step 5: Solve for x
    x = 2,575,867,712.79/56,762.67
  6. Step 6: Final answer
    x = 45,379.61

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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.