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Finding the Fourth Proportional to 57,447.83, 79,276.86 and 31,953.65

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Solution

The fourth proportional to 57,447.83, 79,276.86 and 31,953.65 is: 44,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.83 : 79,276.86 = 31,953.65 : x
  2. Step 2: Convert to fraction form
    57,447.83/79,276.86 = 31,953.65/x
  3. Step 3: Cross multiply
    57,447.83x = 79,276.86 × 31,953.65
  4. Step 4: Simplify right side
    57,447.83x = 2,533,185,037.54
  5. Step 5: Solve for x
    x = 2,533,185,037.54/57,447.83
  6. Step 6: Final answer
    x = 44,095.40

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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.