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Finding the Fourth Proportional to 72,253.78, 99,676.94 and 46,768.32

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Solution

The fourth proportional to 72,253.78, 99,676.94 and 46,768.32 is: 64,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,253.78 : 99,676.94 = 46,768.32 : x
  2. Step 2: Convert to fraction form
    72,253.78/99,676.94 = 46,768.32/x
  3. Step 3: Cross multiply
    72,253.78x = 99,676.94 × 46,768.32
  4. Step 4: Simplify right side
    72,253.78x = 4,661,723,026.54
  5. Step 5: Solve for x
    x = 4,661,723,026.54/72,253.78
  6. Step 6: Final answer
    x = 64,518.74

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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.