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Finding the Fourth Proportional to 84,684.52, 127,051.38 and 37,926.40

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Solution

The fourth proportional to 84,684.52, 127,051.38 and 37,926.40 is: 56,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684.52 : 127,051.38 = 37,926.40 : x
  2. Step 2: Convert to fraction form
    84,684.52/127,051.38 = 37,926.40/x
  3. Step 3: Cross multiply
    84,684.52x = 127,051.38 × 37,926.40
  4. Step 4: Simplify right side
    84,684.52x = 4,818,601,458.43
  5. Step 5: Solve for x
    x = 4,818,601,458.43/84,684.52
  6. Step 6: Final answer
    x = 56,900.62

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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.