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Finding the Fourth Proportional to 27,594.96, 38,077.92 and 15,655.20

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Solution

The fourth proportional to 27,594.96, 38,077.92 and 15,655.20 is: 21,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,594.96 : 38,077.92 = 15,655.20 : x
  2. Step 2: Convert to fraction form
    27,594.96/38,077.92 = 15,655.20/x
  3. Step 3: Cross multiply
    27,594.96x = 38,077.92 × 15,655.20
  4. Step 4: Simplify right side
    27,594.96x = 596,117,453.18
  5. Step 5: Solve for x
    x = 596,117,453.18/27,594.96
  6. Step 6: Final answer
    x = 21,602.40

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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.