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Finding the Fourth Proportional to 27,307.92, 37,681.84 and 15,370.94

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Solution

The fourth proportional to 27,307.92, 37,681.84 and 15,370.94 is: 21,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.92 : 37,681.84 = 15,370.94 : x
  2. Step 2: Convert to fraction form
    27,307.92/37,681.84 = 15,370.94/x
  3. Step 3: Cross multiply
    27,307.92x = 37,681.84 × 15,370.94
  4. Step 4: Simplify right side
    27,307.92x = 579,205,301.73
  5. Step 5: Solve for x
    x = 579,205,301.73/27,307.92
  6. Step 6: Final answer
    x = 21,210.16

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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.