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Finding the Fourth Proportional to 47,252.64, 70,885.44 and 13,975.32

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Solution

The fourth proportional to 47,252.64, 70,885.44 and 13,975.32 is: 20,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,252.64 : 70,885.44 = 13,975.32 : x
  2. Step 2: Convert to fraction form
    47,252.64/70,885.44 = 13,975.32/x
  3. Step 3: Cross multiply
    47,252.64x = 70,885.44 × 13,975.32
  4. Step 4: Simplify right side
    47,252.64x = 990,646,707.34
  5. Step 5: Solve for x
    x = 990,646,707.34/47,252.64
  6. Step 6: Final answer
    x = 20,964.90

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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.