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Finding the Fourth Proportional to 52,813.79, 79,220.82 and 13,370.91

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Solution

The fourth proportional to 52,813.79, 79,220.82 and 13,370.91 is: 20,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.79 : 79,220.82 = 13,370.91 : x
  2. Step 2: Convert to fraction form
    52,813.79/79,220.82 = 13,370.91/x
  3. Step 3: Cross multiply
    52,813.79x = 79,220.82 × 13,370.91
  4. Step 4: Simplify right side
    52,813.79x = 1,059,254,454.35
  5. Step 5: Solve for x
    x = 1,059,254,454.35/52,813.79
  6. Step 6: Final answer
    x = 20,056.40

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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.