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Finding the Fourth Proportional to 57,403.64, 79,218.78 and 34,746.77

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Solution

The fourth proportional to 57,403.64, 79,218.78 and 34,746.77 is: 47,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.64 : 79,218.78 = 34,746.77 : x
  2. Step 2: Convert to fraction form
    57,403.64/79,218.78 = 34,746.77/x
  3. Step 3: Cross multiply
    57,403.64x = 79,218.78 × 34,746.77
  4. Step 4: Simplify right side
    57,403.64x = 2,752,596,728.34
  5. Step 5: Solve for x
    x = 2,752,596,728.34/57,403.64
  6. Step 6: Final answer
    x = 47,951.61

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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.