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Finding the Fourth Proportional to 29,405.61, 44,108.34 and 12,763.48

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Solution

The fourth proportional to 29,405.61, 44,108.34 and 12,763.48 is: 19,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.61 : 44,108.34 = 12,763.48 : x
  2. Step 2: Convert to fraction form
    29,405.61/44,108.34 = 12,763.48/x
  3. Step 3: Cross multiply
    29,405.61x = 44,108.34 × 12,763.48
  4. Step 4: Simplify right side
    29,405.61x = 562,975,915.42
  5. Step 5: Solve for x
    x = 562,975,915.42/29,405.61
  6. Step 6: Final answer
    x = 19,145.19

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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.