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Finding the Fourth Proportional to 18,307.16, 27,460.73 and 4,456.16

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Solution

The fourth proportional to 18,307.16, 27,460.73 and 4,456.16 is: 6,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.16 : 27,460.73 = 4,456.16 : x
  2. Step 2: Convert to fraction form
    18,307.16/27,460.73 = 4,456.16/x
  3. Step 3: Cross multiply
    18,307.16x = 27,460.73 × 4,456.16
  4. Step 4: Simplify right side
    18,307.16x = 122,369,406.60
  5. Step 5: Solve for x
    x = 122,369,406.60/18,307.16
  6. Step 6: Final answer
    x = 6,684.24

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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.