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Finding the Fourth Proportional to 15,802.44, 21,799.87 and 10,699.82

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Solution

The fourth proportional to 15,802.44, 21,799.87 and 10,699.82 is: 14,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.44 : 21,799.87 = 10,699.82 : x
  2. Step 2: Convert to fraction form
    15,802.44/21,799.87 = 10,699.82/x
  3. Step 3: Cross multiply
    15,802.44x = 21,799.87 × 10,699.82
  4. Step 4: Simplify right side
    15,802.44x = 233,254,522.52
  5. Step 5: Solve for x
    x = 233,254,522.52/15,802.44
  6. Step 6: Final answer
    x = 14,760.67

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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.