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Finding the Fourth Proportional to 57,866.89, 79,855.59 and 33,995.74

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Solution

The fourth proportional to 57,866.89, 79,855.59 and 33,995.74 is: 46,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,866.89 : 79,855.59 = 33,995.74 : x
  2. Step 2: Convert to fraction form
    57,866.89/79,855.59 = 33,995.74/x
  3. Step 3: Cross multiply
    57,866.89x = 79,855.59 × 33,995.74
  4. Step 4: Simplify right side
    57,866.89x = 2,714,749,875.19
  5. Step 5: Solve for x
    x = 2,714,749,875.19/57,866.89
  6. Step 6: Final answer
    x = 46,913.70

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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.