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Finding the Fourth Proportional to 11,450.88, 15,802.21 and 6,482.88

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Solution

The fourth proportional to 11,450.88, 15,802.21 and 6,482.88 is: 8,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.88 : 15,802.21 = 6,482.88 : x
  2. Step 2: Convert to fraction form
    11,450.88/15,802.21 = 6,482.88/x
  3. Step 3: Cross multiply
    11,450.88x = 15,802.21 × 6,482.88
  4. Step 4: Simplify right side
    11,450.88x = 102,443,831.16
  5. Step 5: Solve for x
    x = 102,443,831.16/11,450.88
  6. Step 6: Final answer
    x = 8,946.37

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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.