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Finding the Fourth Proportional to 19,365.42, 29,048.13 and 13,533.42

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Solution

The fourth proportional to 19,365.42, 29,048.13 and 13,533.42 is: 20,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.42 : 29,048.13 = 13,533.42 : x
  2. Step 2: Convert to fraction form
    19,365.42/29,048.13 = 13,533.42/x
  3. Step 3: Cross multiply
    19,365.42x = 29,048.13 × 13,533.42
  4. Step 4: Simplify right side
    19,365.42x = 393,120,543.50
  5. Step 5: Solve for x
    x = 393,120,543.50/19,365.42
  6. Step 6: Final answer
    x = 20,300.13

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Similar ratio
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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.