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Finding the Fourth Proportional to 7,955.02, 11,925.96 and 3,509.52

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Solution

The fourth proportional to 7,955.02, 11,925.96 and 3,509.52 is: 5,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.02 : 11,925.96 = 3,509.52 : x
  2. Step 2: Convert to fraction form
    7,955.02/11,925.96 = 3,509.52/x
  3. Step 3: Cross multiply
    7,955.02x = 11,925.96 × 3,509.52
  4. Step 4: Simplify right side
    7,955.02x = 41,854,395.14
  5. Step 5: Solve for x
    x = 41,854,395.14/7,955.02
  6. Step 6: Final answer
    x = 5,261.38

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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.