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Finding the Fourth Proportional to 34,712.50, 52,068.90 and 8,417.29

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Solution

The fourth proportional to 34,712.50, 52,068.90 and 8,417.29 is: 12,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,712.50 : 52,068.90 = 8,417.29 : x
  2. Step 2: Convert to fraction form
    34,712.50/52,068.90 = 8,417.29/x
  3. Step 3: Cross multiply
    34,712.50x = 52,068.90 × 8,417.29
  4. Step 4: Simplify right side
    34,712.50x = 438,279,031.28
  5. Step 5: Solve for x
    x = 438,279,031.28/34,712.50
  6. Step 6: Final answer
    x = 12,625.97

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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.