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Finding the Fourth Proportional to 55,189.67, 82,798.47 and 15,746.92

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Solution

The fourth proportional to 55,189.67, 82,798.47 and 15,746.92 is: 23,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.67 : 82,798.47 = 15,746.92 : x
  2. Step 2: Convert to fraction form
    55,189.67/82,798.47 = 15,746.92/x
  3. Step 3: Cross multiply
    55,189.67x = 82,798.47 × 15,746.92
  4. Step 4: Simplify right side
    55,189.67x = 1,303,820,676.22
  5. Step 5: Solve for x
    x = 1,303,820,676.22/55,189.67
  6. Step 6: Final answer
    x = 23,624.36

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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.