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Finding the Fourth Proportional to 47,101.88, 70,368.09 and 30,325.16

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Solution

The fourth proportional to 47,101.88, 70,368.09 and 30,325.16 is: 45,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,101.88 : 70,368.09 = 30,325.16 : x
  2. Step 2: Convert to fraction form
    47,101.88/70,368.09 = 30,325.16/x
  3. Step 3: Cross multiply
    47,101.88x = 70,368.09 × 30,325.16
  4. Step 4: Simplify right side
    47,101.88x = 2,133,923,588.14
  5. Step 5: Solve for x
    x = 2,133,923,588.14/47,101.88
  6. Step 6: Final answer
    x = 45,304.42

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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.