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Finding the Fourth Proportional to 8,980.00, 12,392.39 and 5,001.08

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Solution

The fourth proportional to 8,980.00, 12,392.39 and 5,001.08 is: 6,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.00 : 12,392.39 = 5,001.08 : x
  2. Step 2: Convert to fraction form
    8,980.00/12,392.39 = 5,001.08/x
  3. Step 3: Cross multiply
    8,980.00x = 12,392.39 × 5,001.08
  4. Step 4: Simplify right side
    8,980.00x = 61,975,284.32
  5. Step 5: Solve for x
    x = 61,975,284.32/8,980.00
  6. Step 6: Final answer
    x = 6,901.48

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1.5x scale

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.