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Finding the Fourth Proportional to 40,531.30, 56,612.60 and 40,531.30

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Solution

The fourth proportional to 40,531.30, 56,612.60 and 40,531.30 is: 56,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531.30 : 56,612.60 = 40,531.30 : x
  2. Step 2: Convert to fraction form
    40,531.30/56,612.60 = 40,531.30/x
  3. Step 3: Cross multiply
    40,531.30x = 56,612.60 × 40,531.30
  4. Step 4: Simplify right side
    40,531.30x = 2,294,582,274.38
  5. Step 5: Solve for x
    x = 2,294,582,274.38/40,531.30
  6. Step 6: Final answer
    x = 56,612.60

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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.