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Finding the Fourth Proportional to 19,323.52, 26,675.52 and 13,663.04

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Solution

The fourth proportional to 19,323.52, 26,675.52 and 13,663.04 is: 18,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.52 : 26,675.52 = 13,663.04 : x
  2. Step 2: Convert to fraction form
    19,323.52/26,675.52 = 13,663.04/x
  3. Step 3: Cross multiply
    19,323.52x = 26,675.52 × 13,663.04
  4. Step 4: Simplify right side
    19,323.52x = 364,468,696.78
  5. Step 5: Solve for x
    x = 364,468,696.78/19,323.52
  6. Step 6: Final answer
    x = 18,861.40

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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.