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Finding the Fourth Proportional to 53,607.60, 80,411.40 and 22,465.20

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Solution

The fourth proportional to 53,607.60, 80,411.40 and 22,465.20 is: 33,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.60 : 80,411.40 = 22,465.20 : x
  2. Step 2: Convert to fraction form
    53,607.60/80,411.40 = 22,465.20/x
  3. Step 3: Cross multiply
    53,607.60x = 80,411.40 × 22,465.20
  4. Step 4: Simplify right side
    53,607.60x = 1,806,458,183.28
  5. Step 5: Solve for x
    x = 1,806,458,183.28/53,607.60
  6. Step 6: Final answer
    x = 33,697.80

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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.