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Finding the Fourth Proportional to 27,473.59, 37,911 and 15,536.89

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Solution

The fourth proportional to 27,473.59, 37,911 and 15,536.89 is: 21,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,473.59 : 37,911 = 15,536.89 : x
  2. Step 2: Convert to fraction form
    27,473.59/37,911 = 15,536.89/x
  3. Step 3: Cross multiply
    27,473.59x = 37,911 × 15,536.89
  4. Step 4: Simplify right side
    27,473.59x = 589,019,036.79
  5. Step 5: Solve for x
    x = 589,019,036.79/27,473.59
  6. Step 6: Final answer
    x = 21,439.46

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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.