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Finding the Fourth Proportional to 47,622.42, 65,701.38 and 28,502.64

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Solution

The fourth proportional to 47,622.42, 65,701.38 and 28,502.64 is: 39,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,622.42 : 65,701.38 = 28,502.64 : x
  2. Step 2: Convert to fraction form
    47,622.42/65,701.38 = 28,502.64/x
  3. Step 3: Cross multiply
    47,622.42x = 65,701.38 × 28,502.64
  4. Step 4: Simplify right side
    47,622.42x = 1,872,662,781.64
  5. Step 5: Solve for x
    x = 1,872,662,781.64/47,622.42
  6. Step 6: Final answer
    x = 39,323.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.