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Finding the Fourth Proportional to 58,410.63, 80,606.61 and 31,553.13

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Solution

The fourth proportional to 58,410.63, 80,606.61 and 31,553.13 is: 43,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,410.63 : 80,606.61 = 31,553.13 : x
  2. Step 2: Convert to fraction form
    58,410.63/80,606.61 = 31,553.13/x
  3. Step 3: Cross multiply
    58,410.63x = 80,606.61 × 31,553.13
  4. Step 4: Simplify right side
    58,410.63x = 2,543,390,844.19
  5. Step 5: Solve for x
    x = 2,543,390,844.19/58,410.63
  6. Step 6: Final answer
    x = 43,543.29

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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.