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Finding the Fourth Proportional to 87,058, 130,588.44 and 37,810

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Solution

The fourth proportional to 87,058, 130,588.44 and 37,810 is: 56,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058 : 130,588.44 = 37,810 : x
  2. Step 2: Convert to fraction form
    87,058/130,588.44 = 37,810/x
  3. Step 3: Cross multiply
    87,058x = 130,588.44 × 37,810
  4. Step 4: Simplify right side
    87,058x = 4,937,548,916.40
  5. Step 5: Solve for x
    x = 4,937,548,916.40/87,058
  6. Step 6: Final answer
    x = 56,715.63

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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.