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Finding the Fourth Proportional to 58,058.16, 80,137.26 and 37,918.16

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Solution

The fourth proportional to 58,058.16, 80,137.26 and 37,918.16 is: 52,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,058.16 : 80,137.26 = 37,918.16 : x
  2. Step 2: Convert to fraction form
    58,058.16/80,137.26 = 37,918.16/x
  3. Step 3: Cross multiply
    58,058.16x = 80,137.26 × 37,918.16
  4. Step 4: Simplify right side
    58,058.16x = 3,038,657,446.64
  5. Step 5: Solve for x
    x = 3,038,657,446.64/58,058.16
  6. Step 6: Final answer
    x = 52,338.16

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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.