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Finding the Fourth Proportional to 13,133.08, 19,702.86 and 12,053.08

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Solution

The fourth proportional to 13,133.08, 19,702.86 and 12,053.08 is: 18,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.08 : 19,702.86 = 12,053.08 : x
  2. Step 2: Convert to fraction form
    13,133.08/19,702.86 = 12,053.08/x
  3. Step 3: Cross multiply
    13,133.08x = 19,702.86 × 12,053.08
  4. Step 4: Simplify right side
    13,133.08x = 237,480,147.81
  5. Step 5: Solve for x
    x = 237,480,147.81/13,133.08
  6. Step 6: Final answer
    x = 18,082.59

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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.