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Finding the Fourth Proportional to 58,511.64, 80,746.26 and 31,654.26

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Solution

The fourth proportional to 58,511.64, 80,746.26 and 31,654.26 is: 43,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.64 : 80,746.26 = 31,654.26 : x
  2. Step 2: Convert to fraction form
    58,511.64/80,746.26 = 31,654.26/x
  3. Step 3: Cross multiply
    58,511.64x = 80,746.26 × 31,654.26
  4. Step 4: Simplify right side
    58,511.64x = 2,555,963,108.07
  5. Step 5: Solve for x
    x = 2,555,963,108.07/58,511.64
  6. Step 6: Final answer
    x = 43,682.99

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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.