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Finding the Fourth Proportional to 63,833.40, 95,725.80 and 19,445.40

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Solution

The fourth proportional to 63,833.40, 95,725.80 and 19,445.40 is: 29,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,833.40 : 95,725.80 = 19,445.40 : x
  2. Step 2: Convert to fraction form
    63,833.40/95,725.80 = 19,445.40/x
  3. Step 3: Cross multiply
    63,833.40x = 95,725.80 × 19,445.40
  4. Step 4: Simplify right side
    63,833.40x = 1,861,426,471.32
  5. Step 5: Solve for x
    x = 1,861,426,471.32/63,833.40
  6. Step 6: Final answer
    x = 29,160.70

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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.