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Finding the Fourth Proportional to 14,004.76, 19,326.45 and 7,717

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Solution

The fourth proportional to 14,004.76, 19,326.45 and 7,717 is: 10,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.76 : 19,326.45 = 7,717 : x
  2. Step 2: Convert to fraction form
    14,004.76/19,326.45 = 7,717/x
  3. Step 3: Cross multiply
    14,004.76x = 19,326.45 × 7,717
  4. Step 4: Simplify right side
    14,004.76x = 149,142,214.65
  5. Step 5: Solve for x
    x = 149,142,214.65/14,004.76
  6. Step 6: Final answer
    x = 10,649.39

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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.