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Finding the Fourth Proportional to 27,530.52, 37,992.08 and 14,955.52

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Solution

The fourth proportional to 27,530.52, 37,992.08 and 14,955.52 is: 20,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.52 : 37,992.08 = 14,955.52 : x
  2. Step 2: Convert to fraction form
    27,530.52/37,992.08 = 14,955.52/x
  3. Step 3: Cross multiply
    27,530.52x = 37,992.08 × 14,955.52
  4. Step 4: Simplify right side
    27,530.52x = 568,191,312.28
  5. Step 5: Solve for x
    x = 568,191,312.28/27,530.52
  6. Step 6: Final answer
    x = 20,638.60

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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.