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Finding the Fourth Proportional to 9,088.48, 13,649.16 and 8,356.72

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Solution

The fourth proportional to 9,088.48, 13,649.16 and 8,356.72 is: 12,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.48 : 13,649.16 = 8,356.72 : x
  2. Step 2: Convert to fraction form
    9,088.48/13,649.16 = 8,356.72/x
  3. Step 3: Cross multiply
    9,088.48x = 13,649.16 × 8,356.72
  4. Step 4: Simplify right side
    9,088.48x = 114,062,208.36
  5. Step 5: Solve for x
    x = 114,062,208.36/9,088.48
  6. Step 6: Final answer
    x = 12,550.20

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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.