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Finding the Fourth Proportional to 19,004.10, 28,506.15 and 14,630.10

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Solution

The fourth proportional to 19,004.10, 28,506.15 and 14,630.10 is: 21,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.10 : 28,506.15 = 14,630.10 : x
  2. Step 2: Convert to fraction form
    19,004.10/28,506.15 = 14,630.10/x
  3. Step 3: Cross multiply
    19,004.10x = 28,506.15 × 14,630.10
  4. Step 4: Simplify right side
    19,004.10x = 417,047,825.12
  5. Step 5: Solve for x
    x = 417,047,825.12/19,004.10
  6. Step 6: Final answer
    x = 21,945.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.