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Finding the Fourth Proportional to 30,706.34, 45,820.02 and 27,396.68

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Solution

The fourth proportional to 30,706.34, 45,820.02 and 27,396.68 is: 40,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.34 : 45,820.02 = 27,396.68 : x
  2. Step 2: Convert to fraction form
    30,706.34/45,820.02 = 27,396.68/x
  3. Step 3: Cross multiply
    30,706.34x = 45,820.02 × 27,396.68
  4. Step 4: Simplify right side
    30,706.34x = 1,255,316,425.53
  5. Step 5: Solve for x
    x = 1,255,316,425.53/30,706.34
  6. Step 6: Final answer
    x = 40,881.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.