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Finding the Fourth Proportional to 12,030.59, 16,603.11 and 6,725.09

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Solution

The fourth proportional to 12,030.59, 16,603.11 and 6,725.09 is: 9,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.59 : 16,603.11 = 6,725.09 : x
  2. Step 2: Convert to fraction form
    12,030.59/16,603.11 = 6,725.09/x
  3. Step 3: Cross multiply
    12,030.59x = 16,603.11 × 6,725.09
  4. Step 4: Simplify right side
    12,030.59x = 111,657,450.54
  5. Step 5: Solve for x
    x = 111,657,450.54/12,030.59
  6. Step 6: Final answer
    x = 9,281.13

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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.