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Finding the Fourth Proportional to 9,995.54, 14,970.75 and 5,829.30

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Solution

The fourth proportional to 9,995.54, 14,970.75 and 5,829.30 is: 8,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.54 : 14,970.75 = 5,829.30 : x
  2. Step 2: Convert to fraction form
    9,995.54/14,970.75 = 5,829.30/x
  3. Step 3: Cross multiply
    9,995.54x = 14,970.75 × 5,829.30
  4. Step 4: Simplify right side
    9,995.54x = 87,268,992.98
  5. Step 5: Solve for x
    x = 87,268,992.98/9,995.54
  6. Step 6: Final answer
    x = 8,730.79

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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.