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Finding the Fourth Proportional to 27,588.96, 38,071.80 and 15,652.08

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Solution

The fourth proportional to 27,588.96, 38,071.80 and 15,652.08 is: 21,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.96 : 38,071.80 = 15,652.08 : x
  2. Step 2: Convert to fraction form
    27,588.96/38,071.80 = 15,652.08/x
  3. Step 3: Cross multiply
    27,588.96x = 38,071.80 × 15,652.08
  4. Step 4: Simplify right side
    27,588.96x = 595,902,859.34
  5. Step 5: Solve for x
    x = 595,902,859.34/27,588.96
  6. Step 6: Final answer
    x = 21,599.32

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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.