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Finding the Fourth Proportional to 14,201.64, 19,599.11 and 7,828.22

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Solution

The fourth proportional to 14,201.64, 19,599.11 and 7,828.22 is: 10,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.64 : 19,599.11 = 7,828.22 : x
  2. Step 2: Convert to fraction form
    14,201.64/19,599.11 = 7,828.22/x
  3. Step 3: Cross multiply
    14,201.64x = 19,599.11 × 7,828.22
  4. Step 4: Simplify right side
    14,201.64x = 153,426,144.88
  5. Step 5: Solve for x
    x = 153,426,144.88/14,201.64
  6. Step 6: Final answer
    x = 10,803.41

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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.