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Finding the Fourth Proportional to 55,900.74, 83,851.11 and 16,457.86

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Solution

The fourth proportional to 55,900.74, 83,851.11 and 16,457.86 is: 24,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900.74 : 83,851.11 = 16,457.86 : x
  2. Step 2: Convert to fraction form
    55,900.74/83,851.11 = 16,457.86/x
  3. Step 3: Cross multiply
    55,900.74x = 83,851.11 × 16,457.86
  4. Step 4: Simplify right side
    55,900.74x = 1,380,009,829.22
  5. Step 5: Solve for x
    x = 1,380,009,829.22/55,900.74
  6. Step 6: Final answer
    x = 24,686.79

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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.