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Finding the Fourth Proportional to 37,058.78, 55,578.30 and 10,403.30

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Solution

The fourth proportional to 37,058.78, 55,578.30 and 10,403.30 is: 15,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,058.78 : 55,578.30 = 10,403.30 : x
  2. Step 2: Convert to fraction form
    37,058.78/55,578.30 = 10,403.30/x
  3. Step 3: Cross multiply
    37,058.78x = 55,578.30 × 10,403.30
  4. Step 4: Simplify right side
    37,058.78x = 578,197,728.39
  5. Step 5: Solve for x
    x = 578,197,728.39/37,058.78
  6. Step 6: Final answer
    x = 15,602.18

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1.5x scale

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.