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Finding the Fourth Proportional to 35,641.32, 53,461.42 and 12,267.96

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Solution

The fourth proportional to 35,641.32, 53,461.42 and 12,267.96 is: 18,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.32 : 53,461.42 = 12,267.96 : x
  2. Step 2: Convert to fraction form
    35,641.32/53,461.42 = 12,267.96/x
  3. Step 3: Cross multiply
    35,641.32x = 53,461.42 × 12,267.96
  4. Step 4: Simplify right side
    35,641.32x = 655,862,562.10
  5. Step 5: Solve for x
    x = 655,862,562.10/35,641.32
  6. Step 6: Final answer
    x = 18,401.75

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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.