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Finding the Fourth Proportional to 19,365.10, 29,047.05 and 5,514.10

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Solution

The fourth proportional to 19,365.10, 29,047.05 and 5,514.10 is: 8,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.10 : 29,047.05 = 5,514.10 : x
  2. Step 2: Convert to fraction form
    19,365.10/29,047.05 = 5,514.10/x
  3. Step 3: Cross multiply
    19,365.10x = 29,047.05 × 5,514.10
  4. Step 4: Simplify right side
    19,365.10x = 160,168,338.41
  5. Step 5: Solve for x
    x = 160,168,338.41/19,365.10
  6. Step 6: Final answer
    x = 8,270.98

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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.