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Finding the Fourth Proportional to 9,169.74, 12,650.22 and 7,041.51

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Solution

The fourth proportional to 9,169.74, 12,650.22 and 7,041.51 is: 9,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.74 : 12,650.22 = 7,041.51 : x
  2. Step 2: Convert to fraction form
    9,169.74/12,650.22 = 7,041.51/x
  3. Step 3: Cross multiply
    9,169.74x = 12,650.22 × 7,041.51
  4. Step 4: Simplify right side
    9,169.74x = 89,076,650.63
  5. Step 5: Solve for x
    x = 89,076,650.63/9,169.74
  6. Step 6: Final answer
    x = 9,714.20

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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.