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Finding the Fourth Proportional to 36,473.76, 54,710.88 and 13,100.40

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Solution

The fourth proportional to 36,473.76, 54,710.88 and 13,100.40 is: 19,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,473.76 : 54,710.88 = 13,100.40 : x
  2. Step 2: Convert to fraction form
    36,473.76/54,710.88 = 13,100.40/x
  3. Step 3: Cross multiply
    36,473.76x = 54,710.88 × 13,100.40
  4. Step 4: Simplify right side
    36,473.76x = 716,734,412.35
  5. Step 5: Solve for x
    x = 716,734,412.35/36,473.76
  6. Step 6: Final answer
    x = 19,650.69

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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.