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Finding the Fourth Proportional to 29,167.86, 40,237.64 and 19,091.86

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Solution

The fourth proportional to 29,167.86, 40,237.64 and 19,091.86 is: 26,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.86 : 40,237.64 = 19,091.86 : x
  2. Step 2: Convert to fraction form
    29,167.86/40,237.64 = 19,091.86/x
  3. Step 3: Cross multiply
    29,167.86x = 40,237.64 × 19,091.86
  4. Step 4: Simplify right side
    29,167.86x = 768,211,389.61
  5. Step 5: Solve for x
    x = 768,211,389.61/29,167.86
  6. Step 6: Final answer
    x = 26,337.60

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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.