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Finding the Fourth Proportional to 58,570.60, 80,827.09 and 31,712.56

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Solution

The fourth proportional to 58,570.60, 80,827.09 and 31,712.56 is: 43,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,570.60 : 80,827.09 = 31,712.56 : x
  2. Step 2: Convert to fraction form
    58,570.60/80,827.09 = 31,712.56/x
  3. Step 3: Cross multiply
    58,570.60x = 80,827.09 × 31,712.56
  4. Step 4: Simplify right side
    58,570.60x = 2,563,233,378.55
  5. Step 5: Solve for x
    x = 2,563,233,378.55/58,570.60
  6. Step 6: Final answer
    x = 43,763.14

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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.