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Finding the Fourth Proportional to 13,393.93, 20,058.08 and 9,435.46

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Solution

The fourth proportional to 13,393.93, 20,058.08 and 9,435.46 is: 14,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.93 : 20,058.08 = 9,435.46 : x
  2. Step 2: Convert to fraction form
    13,393.93/20,058.08 = 9,435.46/x
  3. Step 3: Cross multiply
    13,393.93x = 20,058.08 × 9,435.46
  4. Step 4: Simplify right side
    13,393.93x = 189,257,111.23
  5. Step 5: Solve for x
    x = 189,257,111.23/13,393.93
  6. Step 6: Final answer
    x = 14,130.07

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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.