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Finding the Fourth Proportional to 52,648.68, 78,973.14 and 26,326.92

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Solution

The fourth proportional to 52,648.68, 78,973.14 and 26,326.92 is: 39,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.68 : 78,973.14 = 26,326.92 : x
  2. Step 2: Convert to fraction form
    52,648.68/78,973.14 = 26,326.92/x
  3. Step 3: Cross multiply
    52,648.68x = 78,973.14 × 26,326.92
  4. Step 4: Simplify right side
    52,648.68x = 2,079,119,538.93
  5. Step 5: Solve for x
    x = 2,079,119,538.93/52,648.68
  6. Step 6: Final answer
    x = 39,490.44

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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.