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Finding the Fourth Proportional to 14,307.30, 19,744.02 and 7,933.68

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Solution

The fourth proportional to 14,307.30, 19,744.02 and 7,933.68 is: 10,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.30 : 19,744.02 = 7,933.68 : x
  2. Step 2: Convert to fraction form
    14,307.30/19,744.02 = 7,933.68/x
  3. Step 3: Cross multiply
    14,307.30x = 19,744.02 × 7,933.68
  4. Step 4: Simplify right side
    14,307.30x = 156,642,736.59
  5. Step 5: Solve for x
    x = 156,642,736.59/14,307.30
  6. Step 6: Final answer
    x = 10,948.45

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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.