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Finding the Fourth Proportional to 53,223.92, 79,813.92 and 18,166.40

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Solution

The fourth proportional to 53,223.92, 79,813.92 and 18,166.40 is: 27,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.92 : 79,813.92 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    53,223.92/79,813.92 = 18,166.40/x
  3. Step 3: Cross multiply
    53,223.92x = 79,813.92 × 18,166.40
  4. Step 4: Simplify right side
    53,223.92x = 1,449,931,596.29
  5. Step 5: Solve for x
    x = 1,449,931,596.29/53,223.92
  6. Step 6: Final answer
    x = 27,242.10

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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.