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Finding the Fourth Proportional to 58,053.72, 87,109.80 and 43,292.28

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Solution

The fourth proportional to 58,053.72, 87,109.80 and 43,292.28 is: 64,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,053.72 : 87,109.80 = 43,292.28 : x
  2. Step 2: Convert to fraction form
    58,053.72/87,109.80 = 43,292.28/x
  3. Step 3: Cross multiply
    58,053.72x = 87,109.80 × 43,292.28
  4. Step 4: Simplify right side
    58,053.72x = 3,771,181,852.34
  5. Step 5: Solve for x
    x = 3,771,181,852.34/58,053.72
  6. Step 6: Final answer
    x = 64,960.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.