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Finding the Fourth Proportional to 34,670.03, 51,973.38 and 12,478.32

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Solution

The fourth proportional to 34,670.03, 51,973.38 and 12,478.32 is: 18,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.03 : 51,973.38 = 12,478.32 : x
  2. Step 2: Convert to fraction form
    34,670.03/51,973.38 = 12,478.32/x
  3. Step 3: Cross multiply
    34,670.03x = 51,973.38 × 12,478.32
  4. Step 4: Simplify right side
    34,670.03x = 648,540,467.12
  5. Step 5: Solve for x
    x = 648,540,467.12/34,670.03
  6. Step 6: Final answer
    x = 18,706.09

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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.