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Finding the Fourth Proportional to 9,953.56, 14,940.06 and 9,907.36

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Solution

The fourth proportional to 9,953.56, 14,940.06 and 9,907.36 is: 14,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.56 : 14,940.06 = 9,907.36 : x
  2. Step 2: Convert to fraction form
    9,953.56/14,940.06 = 9,907.36/x
  3. Step 3: Cross multiply
    9,953.56x = 14,940.06 × 9,907.36
  4. Step 4: Simplify right side
    9,953.56x = 148,016,552.84
  5. Step 5: Solve for x
    x = 148,016,552.84/9,953.56
  6. Step 6: Final answer
    x = 14,870.71

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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.