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Finding the Fourth Proportional to 8,973.02, 12,382.80 and 4,995.02

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Solution

The fourth proportional to 8,973.02, 12,382.80 and 4,995.02 is: 6,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.02 : 12,382.80 = 4,995.02 : x
  2. Step 2: Convert to fraction form
    8,973.02/12,382.80 = 4,995.02/x
  3. Step 3: Cross multiply
    8,973.02x = 12,382.80 × 4,995.02
  4. Step 4: Simplify right side
    8,973.02x = 61,852,333.66
  5. Step 5: Solve for x
    x = 61,852,333.66/8,973.02
  6. Step 6: Final answer
    x = 6,893.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.