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Finding the Fourth Proportional to 14,495.79, 21,742.47 and 4,632.42

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Solution

The fourth proportional to 14,495.79, 21,742.47 and 4,632.42 is: 6,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.79 : 21,742.47 = 4,632.42 : x
  2. Step 2: Convert to fraction form
    14,495.79/21,742.47 = 4,632.42/x
  3. Step 3: Cross multiply
    14,495.79x = 21,742.47 × 4,632.42
  4. Step 4: Simplify right side
    14,495.79x = 100,720,351.78
  5. Step 5: Solve for x
    x = 100,720,351.78/14,495.79
  6. Step 6: Final answer
    x = 6,948.25

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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.