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Finding the Fourth Proportional to 56,341.80, 84,512.70 and 34,223.40

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Solution

The fourth proportional to 56,341.80, 84,512.70 and 34,223.40 is: 51,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.80 : 84,512.70 = 34,223.40 : x
  2. Step 2: Convert to fraction form
    56,341.80/84,512.70 = 34,223.40/x
  3. Step 3: Cross multiply
    56,341.80x = 84,512.70 × 34,223.40
  4. Step 4: Simplify right side
    56,341.80x = 2,892,311,937.18
  5. Step 5: Solve for x
    x = 2,892,311,937.18/56,341.80
  6. Step 6: Final answer
    x = 51,335.10

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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.