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Finding the Fourth Proportional to 19,025.26, 28,551.91 and 9,030.04

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Solution

The fourth proportional to 19,025.26, 28,551.91 and 9,030.04 is: 13,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.26 : 28,551.91 = 9,030.04 : x
  2. Step 2: Convert to fraction form
    19,025.26/28,551.91 = 9,030.04/x
  3. Step 3: Cross multiply
    19,025.26x = 28,551.91 × 9,030.04
  4. Step 4: Simplify right side
    19,025.26x = 257,824,889.38
  5. Step 5: Solve for x
    x = 257,824,889.38/19,025.26
  6. Step 6: Final answer
    x = 13,551.71

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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.