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Finding the Fourth Proportional to 58,905.40, 81,287.59 and 32,047.22

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Solution

The fourth proportional to 58,905.40, 81,287.59 and 32,047.22 is: 44,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.40 : 81,287.59 = 32,047.22 : x
  2. Step 2: Convert to fraction form
    58,905.40/81,287.59 = 32,047.22/x
  3. Step 3: Cross multiply
    58,905.40x = 81,287.59 × 32,047.22
  4. Step 4: Simplify right side
    58,905.40x = 2,605,041,280.00
  5. Step 5: Solve for x
    x = 2,605,041,280.00/58,905.40
  6. Step 6: Final answer
    x = 44,224.15

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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.