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Finding the Fourth Proportional to 31,374.42, 46,784.87 and 27,019.86

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Solution

The fourth proportional to 31,374.42, 46,784.87 and 27,019.86 is: 40,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.42 : 46,784.87 = 27,019.86 : x
  2. Step 2: Convert to fraction form
    31,374.42/46,784.87 = 27,019.86/x
  3. Step 3: Cross multiply
    31,374.42x = 46,784.87 × 27,019.86
  4. Step 4: Simplify right side
    31,374.42x = 1,264,120,502.42
  5. Step 5: Solve for x
    x = 1,264,120,502.42/31,374.42
  6. Step 6: Final answer
    x = 40,291.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.