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Finding the Fourth Proportional to 13,048.61, 18,006.59 and 7,080.08

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Solution

The fourth proportional to 13,048.61, 18,006.59 and 7,080.08 is: 9,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.61 : 18,006.59 = 7,080.08 : x
  2. Step 2: Convert to fraction form
    13,048.61/18,006.59 = 7,080.08/x
  3. Step 3: Cross multiply
    13,048.61x = 18,006.59 × 7,080.08
  4. Step 4: Simplify right side
    13,048.61x = 127,488,062.33
  5. Step 5: Solve for x
    x = 127,488,062.33/13,048.61
  6. Step 6: Final answer
    x = 9,770.24

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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.