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Finding the Fourth Proportional to 69,058.08, 103,605.04 and 31,600.16

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Solution

The fourth proportional to 69,058.08, 103,605.04 and 31,600.16 is: 47,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,058.08 : 103,605.04 = 31,600.16 : x
  2. Step 2: Convert to fraction form
    69,058.08/103,605.04 = 31,600.16/x
  3. Step 3: Cross multiply
    69,058.08x = 103,605.04 × 31,600.16
  4. Step 4: Simplify right side
    69,058.08x = 3,273,935,840.81
  5. Step 5: Solve for x
    x = 3,273,935,840.81/69,058.08
  6. Step 6: Final answer
    x = 47,408.44

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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.