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Finding the Fourth Proportional to 10,866.04, 16,302.56 and 4,945.04

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Solution

The fourth proportional to 10,866.04, 16,302.56 and 4,945.04 is: 7,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.04 : 16,302.56 = 4,945.04 : x
  2. Step 2: Convert to fraction form
    10,866.04/16,302.56 = 4,945.04/x
  3. Step 3: Cross multiply
    10,866.04x = 16,302.56 × 4,945.04
  4. Step 4: Simplify right side
    10,866.04x = 80,616,827.33
  5. Step 5: Solve for x
    x = 80,616,827.33/10,866.04
  6. Step 6: Final answer
    x = 7,419.16

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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.