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Finding the Fourth Proportional to 10,606.95, 15,917.31 and 9,795.33

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Solution

The fourth proportional to 10,606.95, 15,917.31 and 9,795.33 is: 14,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.95 : 15,917.31 = 9,795.33 : x
  2. Step 2: Convert to fraction form
    10,606.95/15,917.31 = 9,795.33/x
  3. Step 3: Cross multiply
    10,606.95x = 15,917.31 × 9,795.33
  4. Step 4: Simplify right side
    10,606.95x = 155,915,304.16
  5. Step 5: Solve for x
    x = 155,915,304.16/10,606.95
  6. Step 6: Final answer
    x = 14,699.35

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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.