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Finding the Fourth Proportional to 53,803.60, 80,647.80 and 24,216.40

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Solution

The fourth proportional to 53,803.60, 80,647.80 and 24,216.40 is: 36,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,803.60 : 80,647.80 = 24,216.40 : x
  2. Step 2: Convert to fraction form
    53,803.60/80,647.80 = 24,216.40/x
  3. Step 3: Cross multiply
    53,803.60x = 80,647.80 × 24,216.40
  4. Step 4: Simplify right side
    53,803.60x = 1,952,999,383.92
  5. Step 5: Solve for x
    x = 1,952,999,383.92/53,803.60
  6. Step 6: Final answer
    x = 36,298.67

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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.