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Finding the Fourth Proportional to 14,659.79, 21,989.71 and 10,296.72

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Solution

The fourth proportional to 14,659.79, 21,989.71 and 10,296.72 is: 15,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.79 : 21,989.71 = 10,296.72 : x
  2. Step 2: Convert to fraction form
    14,659.79/21,989.71 = 10,296.72/x
  3. Step 3: Cross multiply
    14,659.79x = 21,989.71 × 10,296.72
  4. Step 4: Simplify right side
    14,659.79x = 226,421,899.62
  5. Step 5: Solve for x
    x = 226,421,899.62/14,659.79
  6. Step 6: Final answer
    x = 15,445.10

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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.