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Finding the Fourth Proportional to 53,221.60, 79,827.90 and 16,285.60

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Solution

The fourth proportional to 53,221.60, 79,827.90 and 16,285.60 is: 24,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.60 : 79,827.90 = 16,285.60 : x
  2. Step 2: Convert to fraction form
    53,221.60/79,827.90 = 16,285.60/x
  3. Step 3: Cross multiply
    53,221.60x = 79,827.90 × 16,285.60
  4. Step 4: Simplify right side
    53,221.60x = 1,300,045,248.24
  5. Step 5: Solve for x
    x = 1,300,045,248.24/53,221.60
  6. Step 6: Final answer
    x = 24,427.02

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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.