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Finding the Fourth Proportional to 7,907.56, 11,873.68 and 7,557.02

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Solution

The fourth proportional to 7,907.56, 11,873.68 and 7,557.02 is: 11,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.56 : 11,873.68 = 7,557.02 : x
  2. Step 2: Convert to fraction form
    7,907.56/11,873.68 = 7,557.02/x
  3. Step 3: Cross multiply
    7,907.56x = 11,873.68 × 7,557.02
  4. Step 4: Simplify right side
    7,907.56x = 89,729,637.23
  5. Step 5: Solve for x
    x = 89,729,637.23/7,907.56
  6. Step 6: Final answer
    x = 11,347.32

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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.