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Finding the Fourth Proportional to 34,984.44, 52,445.04 and 12,782.16

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Solution

The fourth proportional to 34,984.44, 52,445.04 and 12,782.16 is: 19,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.44 : 52,445.04 = 12,782.16 : x
  2. Step 2: Convert to fraction form
    34,984.44/52,445.04 = 12,782.16/x
  3. Step 3: Cross multiply
    34,984.44x = 52,445.04 × 12,782.16
  4. Step 4: Simplify right side
    34,984.44x = 670,360,892.49
  5. Step 5: Solve for x
    x = 670,360,892.49/34,984.44
  6. Step 6: Final answer
    x = 19,161.69

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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.