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Finding the Fourth Proportional to 45,416.40, 63,634.80 and 45,416.40

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Solution

The fourth proportional to 45,416.40, 63,634.80 and 45,416.40 is: 63,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.40 : 63,634.80 = 45,416.40 : x
  2. Step 2: Convert to fraction form
    45,416.40/63,634.80 = 45,416.40/x
  3. Step 3: Cross multiply
    45,416.40x = 63,634.80 × 45,416.40
  4. Step 4: Simplify right side
    45,416.40x = 2,890,063,530.72
  5. Step 5: Solve for x
    x = 2,890,063,530.72/45,416.40
  6. Step 6: Final answer
    x = 63,634.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.