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Finding the Fourth Proportional to 58,562.55, 80,815.34 and 31,704.84

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Solution

The fourth proportional to 58,562.55, 80,815.34 and 31,704.84 is: 43,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,562.55 : 80,815.34 = 31,704.84 : x
  2. Step 2: Convert to fraction form
    58,562.55/80,815.34 = 31,704.84/x
  3. Step 3: Cross multiply
    58,562.55x = 80,815.34 × 31,704.84
  4. Step 4: Simplify right side
    58,562.55x = 2,562,237,503.51
  5. Step 5: Solve for x
    x = 2,562,237,503.51/58,562.55
  6. Step 6: Final answer
    x = 43,752.15

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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.