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Finding the Fourth Proportional to 27,459.61, 37,895.16 and 15,195.16

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Solution

The fourth proportional to 27,459.61, 37,895.16 and 15,195.16 is: 20,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.61 : 37,895.16 = 15,195.16 : x
  2. Step 2: Convert to fraction form
    27,459.61/37,895.16 = 15,195.16/x
  3. Step 3: Cross multiply
    27,459.61x = 37,895.16 × 15,195.16
  4. Step 4: Simplify right side
    27,459.61x = 575,822,753.97
  5. Step 5: Solve for x
    x = 575,822,753.97/27,459.61
  6. Step 6: Final answer
    x = 20,969.81

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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.