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Finding the Fourth Proportional to 61,925.94, 92,889.18 and 15,178.86

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Solution

The fourth proportional to 61,925.94, 92,889.18 and 15,178.86 is: 22,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.94 : 92,889.18 = 15,178.86 : x
  2. Step 2: Convert to fraction form
    61,925.94/92,889.18 = 15,178.86/x
  3. Step 3: Cross multiply
    61,925.94x = 92,889.18 × 15,178.86
  4. Step 4: Simplify right side
    61,925.94x = 1,409,951,858.73
  5. Step 5: Solve for x
    x = 1,409,951,858.73/61,925.94
  6. Step 6: Final answer
    x = 22,768.36

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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.