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Finding the Fourth Proportional to 27,030.42, 40,539.96 and 7,304.34

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Solution

The fourth proportional to 27,030.42, 40,539.96 and 7,304.34 is: 10,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.42 : 40,539.96 = 7,304.34 : x
  2. Step 2: Convert to fraction form
    27,030.42/40,539.96 = 7,304.34/x
  3. Step 3: Cross multiply
    27,030.42x = 40,539.96 × 7,304.34
  4. Step 4: Simplify right side
    27,030.42x = 296,117,651.43
  5. Step 5: Solve for x
    x = 296,117,651.43/27,030.42
  6. Step 6: Final answer
    x = 10,954.98

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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.