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Finding the Fourth Proportional to 5,259.88, 7,889.46 and 4,955.32

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Solution

The fourth proportional to 5,259.88, 7,889.46 and 4,955.32 is: 7,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.88 : 7,889.46 = 4,955.32 : x
  2. Step 2: Convert to fraction form
    5,259.88/7,889.46 = 4,955.32/x
  3. Step 3: Cross multiply
    5,259.88x = 7,889.46 × 4,955.32
  4. Step 4: Simplify right side
    5,259.88x = 39,094,798.93
  5. Step 5: Solve for x
    x = 39,094,798.93/5,259.88
  6. Step 6: Final answer
    x = 7,432.64

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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.