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Finding the Fourth Proportional to 27,510.79, 37,927.27 and 18,896.71

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Solution

The fourth proportional to 27,510.79, 37,927.27 and 18,896.71 is: 26,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510.79 : 37,927.27 = 18,896.71 : x
  2. Step 2: Convert to fraction form
    27,510.79/37,927.27 = 18,896.71/x
  3. Step 3: Cross multiply
    27,510.79x = 37,927.27 × 18,896.71
  4. Step 4: Simplify right side
    27,510.79x = 716,700,622.28
  5. Step 5: Solve for x
    x = 716,700,622.28/27,510.79
  6. Step 6: Final answer
    x = 26,051.62

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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.