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Finding the Fourth Proportional to 38,602.86, 57,870.96 and 14,926.98

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Solution

The fourth proportional to 38,602.86, 57,870.96 and 14,926.98 is: 22,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,602.86 : 57,870.96 = 14,926.98 : x
  2. Step 2: Convert to fraction form
    38,602.86/57,870.96 = 14,926.98/x
  3. Step 3: Cross multiply
    38,602.86x = 57,870.96 × 14,926.98
  4. Step 4: Simplify right side
    38,602.86x = 863,838,662.50
  5. Step 5: Solve for x
    x = 863,838,662.50/38,602.86
  6. Step 6: Final answer
    x = 22,377.58

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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.