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Finding the Fourth Proportional to 45,678.80, 63,037.22 and 25,536.80

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Solution

The fourth proportional to 45,678.80, 63,037.22 and 25,536.80 is: 35,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,678.80 : 63,037.22 = 25,536.80 : x
  2. Step 2: Convert to fraction form
    45,678.80/63,037.22 = 25,536.80/x
  3. Step 3: Cross multiply
    45,678.80x = 63,037.22 × 25,536.80
  4. Step 4: Simplify right side
    45,678.80x = 1,609,768,909.61
  5. Step 5: Solve for x
    x = 1,609,768,909.61/45,678.80
  6. Step 6: Final answer
    x = 35,241.05

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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.