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Finding the Fourth Proportional to 27,654.04, 41,487.21 and 7,931.08

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Solution

The fourth proportional to 27,654.04, 41,487.21 and 7,931.08 is: 11,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.04 : 41,487.21 = 7,931.08 : x
  2. Step 2: Convert to fraction form
    27,654.04/41,487.21 = 7,931.08/x
  3. Step 3: Cross multiply
    27,654.04x = 41,487.21 × 7,931.08
  4. Step 4: Simplify right side
    27,654.04x = 329,038,341.83
  5. Step 5: Solve for x
    x = 329,038,341.83/27,654.04
  6. Step 6: Final answer
    x = 11,898.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.