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Finding the Fourth Proportional to 27,304.74, 37,681.74 and 15,368.85

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Solution

The fourth proportional to 27,304.74, 37,681.74 and 15,368.85 is: 21,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,304.74 : 37,681.74 = 15,368.85 : x
  2. Step 2: Convert to fraction form
    27,304.74/37,681.74 = 15,368.85/x
  3. Step 3: Cross multiply
    27,304.74x = 37,681.74 × 15,368.85
  4. Step 4: Simplify right side
    27,304.74x = 579,125,009.80
  5. Step 5: Solve for x
    x = 579,125,009.80/27,304.74
  6. Step 6: Final answer
    x = 21,209.69

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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.