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Finding the Fourth Proportional to 9,477.44, 13,073.91 and 7,235.43

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Solution

The fourth proportional to 9,477.44, 13,073.91 and 7,235.43 is: 9,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.44 : 13,073.91 = 7,235.43 : x
  2. Step 2: Convert to fraction form
    9,477.44/13,073.91 = 7,235.43/x
  3. Step 3: Cross multiply
    9,477.44x = 13,073.91 × 7,235.43
  4. Step 4: Simplify right side
    9,477.44x = 94,595,360.63
  5. Step 5: Solve for x
    x = 94,595,360.63/9,477.44
  6. Step 6: Final answer
    x = 9,981.11

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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.