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Finding the Fourth Proportional to 31,010.60, 43,492.60 and 31,010.60

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Solution

The fourth proportional to 31,010.60, 43,492.60 and 31,010.60 is: 43,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.60 : 43,492.60 = 31,010.60 : x
  2. Step 2: Convert to fraction form
    31,010.60/43,492.60 = 31,010.60/x
  3. Step 3: Cross multiply
    31,010.60x = 43,492.60 × 31,010.60
  4. Step 4: Simplify right side
    31,010.60x = 1,348,731,621.56
  5. Step 5: Solve for x
    x = 1,348,731,621.56/31,010.60
  6. Step 6: Final answer
    x = 43,492.60

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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.