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Finding the Fourth Proportional to 58,607.57, 80,878.84 and 31,750.08

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Solution

The fourth proportional to 58,607.57, 80,878.84 and 31,750.08 is: 43,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,607.57 : 80,878.84 = 31,750.08 : x
  2. Step 2: Convert to fraction form
    58,607.57/80,878.84 = 31,750.08/x
  3. Step 3: Cross multiply
    58,607.57x = 80,878.84 × 31,750.08
  4. Step 4: Simplify right side
    58,607.57x = 2,567,909,640.31
  5. Step 5: Solve for x
    x = 2,567,909,640.31/58,607.57
  6. Step 6: Final answer
    x = 43,815.32

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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.