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Finding the Fourth Proportional to 27,476.40, 41,200.80 and 13,437.48

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Solution

The fourth proportional to 27,476.40, 41,200.80 and 13,437.48 is: 20,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,476.40 : 41,200.80 = 13,437.48 : x
  2. Step 2: Convert to fraction form
    27,476.40/41,200.80 = 13,437.48/x
  3. Step 3: Cross multiply
    27,476.40x = 41,200.80 × 13,437.48
  4. Step 4: Simplify right side
    27,476.40x = 553,634,925.98
  5. Step 5: Solve for x
    x = 553,634,925.98/27,476.40
  6. Step 6: Final answer
    x = 20,149.47

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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.