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Finding the Fourth Proportional to 40,530.30, 56,611.20 and 40,530.30

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Solution

The fourth proportional to 40,530.30, 56,611.20 and 40,530.30 is: 56,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.30 : 56,611.20 = 40,530.30 : x
  2. Step 2: Convert to fraction form
    40,530.30/56,611.20 = 40,530.30/x
  3. Step 3: Cross multiply
    40,530.30x = 56,611.20 × 40,530.30
  4. Step 4: Simplify right side
    40,530.30x = 2,294,468,919.36
  5. Step 5: Solve for x
    x = 2,294,468,919.36/40,530.30
  6. Step 6: Final answer
    x = 56,611.20

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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.