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Finding the Fourth Proportional to 27,092.48, 37,390.08 and 15,916.16

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Solution

The fourth proportional to 27,092.48, 37,390.08 and 15,916.16 is: 21,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,092.48 : 37,390.08 = 15,916.16 : x
  2. Step 2: Convert to fraction form
    27,092.48/37,390.08 = 15,916.16/x
  3. Step 3: Cross multiply
    27,092.48x = 37,390.08 × 15,916.16
  4. Step 4: Simplify right side
    27,092.48x = 595,106,495.69
  5. Step 5: Solve for x
    x = 595,106,495.69/27,092.48
  6. Step 6: Final answer
    x = 21,965.74

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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.