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Finding the Fourth Proportional to 13,013.04, 17,941.04 and 8,295.60

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Solution

The fourth proportional to 13,013.04, 17,941.04 and 8,295.60 is: 11,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.04 : 17,941.04 = 8,295.60 : x
  2. Step 2: Convert to fraction form
    13,013.04/17,941.04 = 8,295.60/x
  3. Step 3: Cross multiply
    13,013.04x = 17,941.04 × 8,295.60
  4. Step 4: Simplify right side
    13,013.04x = 148,831,691.42
  5. Step 5: Solve for x
    x = 148,831,691.42/13,013.04
  6. Step 6: Final answer
    x = 11,437.12

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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.