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Finding the Fourth Proportional to 58,999.90, 81,419.71 and 32,142.63

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Solution

The fourth proportional to 58,999.90, 81,419.71 and 32,142.63 is: 44,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.90 : 81,419.71 = 32,142.63 : x
  2. Step 2: Convert to fraction form
    58,999.90/81,419.71 = 32,142.63/x
  3. Step 3: Cross multiply
    58,999.90x = 81,419.71 × 32,142.63
  4. Step 4: Simplify right side
    58,999.90x = 2,617,043,613.24
  5. Step 5: Solve for x
    x = 2,617,043,613.24/58,999.90
  6. Step 6: Final answer
    x = 44,356.75

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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.