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Finding the Fourth Proportional to 35,007.50, 52,511.17 and 8,712.25

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Solution

The fourth proportional to 35,007.50, 52,511.17 and 8,712.25 is: 13,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.50 : 52,511.17 = 8,712.25 : x
  2. Step 2: Convert to fraction form
    35,007.50/52,511.17 = 8,712.25/x
  3. Step 3: Cross multiply
    35,007.50x = 52,511.17 × 8,712.25
  4. Step 4: Simplify right side
    35,007.50x = 457,490,440.83
  5. Step 5: Solve for x
    x = 457,490,440.83/35,007.50
  6. Step 6: Final answer
    x = 13,068.36

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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.