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Finding the Fourth Proportional to 14,950.71, 22,421.13 and 4,953.15

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Solution

The fourth proportional to 14,950.71, 22,421.13 and 4,953.15 is: 7,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.71 : 22,421.13 = 4,953.15 : x
  2. Step 2: Convert to fraction form
    14,950.71/22,421.13 = 4,953.15/x
  3. Step 3: Cross multiply
    14,950.71x = 22,421.13 × 4,953.15
  4. Step 4: Simplify right side
    14,950.71x = 111,055,220.06
  5. Step 5: Solve for x
    x = 111,055,220.06/14,950.71
  6. Step 6: Final answer
    x = 7,428.09

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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.