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Finding the Fourth Proportional to 63,653.40, 95,455.80 and 19,265.40

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Solution

The fourth proportional to 63,653.40, 95,455.80 and 19,265.40 is: 28,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,653.40 : 95,455.80 = 19,265.40 : x
  2. Step 2: Convert to fraction form
    63,653.40/95,455.80 = 19,265.40/x
  3. Step 3: Cross multiply
    63,653.40x = 95,455.80 × 19,265.40
  4. Step 4: Simplify right side
    63,653.40x = 1,838,994,169.32
  5. Step 5: Solve for x
    x = 1,838,994,169.32/63,653.40
  6. Step 6: Final answer
    x = 28,890.75

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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.