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Finding the Fourth Proportional to 27,210.71, 37,548.71 and 15,271.74

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Solution

The fourth proportional to 27,210.71, 37,548.71 and 15,271.74 is: 21,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.71 : 37,548.71 = 15,271.74 : x
  2. Step 2: Convert to fraction form
    27,210.71/37,548.71 = 15,271.74/x
  3. Step 3: Cross multiply
    27,210.71x = 37,548.71 × 15,271.74
  4. Step 4: Simplify right side
    27,210.71x = 573,434,060.10
  5. Step 5: Solve for x
    x = 573,434,060.10/27,210.71
  6. Step 6: Final answer
    x = 21,073.84

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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.