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Finding the Fourth Proportional to 47,080.96, 64,975.72 and 25,864.64

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Solution

The fourth proportional to 47,080.96, 64,975.72 and 25,864.64 is: 35,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,080.96 : 64,975.72 = 25,864.64 : x
  2. Step 2: Convert to fraction form
    47,080.96/64,975.72 = 25,864.64/x
  3. Step 3: Cross multiply
    47,080.96x = 64,975.72 × 25,864.64
  4. Step 4: Simplify right side
    47,080.96x = 1,680,573,606.54
  5. Step 5: Solve for x
    x = 1,680,573,606.54/47,080.96
  6. Step 6: Final answer
    x = 35,695.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.