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Finding the Fourth Proportional to 14,038.72, 19,373.36 and 7,751.08

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Solution

The fourth proportional to 14,038.72, 19,373.36 and 7,751.08 is: 10,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.72 : 19,373.36 = 7,751.08 : x
  2. Step 2: Convert to fraction form
    14,038.72/19,373.36 = 7,751.08/x
  3. Step 3: Cross multiply
    14,038.72x = 19,373.36 × 7,751.08
  4. Step 4: Simplify right side
    14,038.72x = 150,164,463.23
  5. Step 5: Solve for x
    x = 150,164,463.23/14,038.72
  6. Step 6: Final answer
    x = 10,696.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.