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Finding the Fourth Proportional to 58,058.46, 80,137.71 and 37,918.40

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Solution

The fourth proportional to 58,058.46, 80,137.71 and 37,918.40 is: 52,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,058.46 : 80,137.71 = 37,918.40 : x
  2. Step 2: Convert to fraction form
    58,058.46/80,137.71 = 37,918.40/x
  3. Step 3: Cross multiply
    58,058.46x = 80,137.71 × 37,918.40
  4. Step 4: Simplify right side
    58,058.46x = 3,038,693,342.18
  5. Step 5: Solve for x
    x = 3,038,693,342.18/58,058.46
  6. Step 6: Final answer
    x = 52,338.51

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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.