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Finding the Fourth Proportional to 35,470.60, 53,205.90 and 23,720.20

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Solution

The fourth proportional to 35,470.60, 53,205.90 and 23,720.20 is: 35,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.60 : 53,205.90 = 23,720.20 : x
  2. Step 2: Convert to fraction form
    35,470.60/53,205.90 = 23,720.20/x
  3. Step 3: Cross multiply
    35,470.60x = 53,205.90 × 23,720.20
  4. Step 4: Simplify right side
    35,470.60x = 1,262,054,589.18
  5. Step 5: Solve for x
    x = 1,262,054,589.18/35,470.60
  6. Step 6: Final answer
    x = 35,580.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.