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Finding the Fourth Proportional to 53,222.40, 79,898.40 and 26,913.60

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Solution

The fourth proportional to 53,222.40, 79,898.40 and 26,913.60 is: 40,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.40 : 79,898.40 = 26,913.60 : x
  2. Step 2: Convert to fraction form
    53,222.40/79,898.40 = 26,913.60/x
  3. Step 3: Cross multiply
    53,222.40x = 79,898.40 × 26,913.60
  4. Step 4: Simplify right side
    53,222.40x = 2,150,353,578.24
  5. Step 5: Solve for x
    x = 2,150,353,578.24/53,222.40
  6. Step 6: Final answer
    x = 40,403.17

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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.