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Finding the Fourth Proportional to 35,697.51, 53,551.17 and 12,325.77

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Solution

The fourth proportional to 35,697.51, 53,551.17 and 12,325.77 is: 18,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,697.51 : 53,551.17 = 12,325.77 : x
  2. Step 2: Convert to fraction form
    35,697.51/53,551.17 = 12,325.77/x
  3. Step 3: Cross multiply
    35,697.51x = 53,551.17 × 12,325.77
  4. Step 4: Simplify right side
    35,697.51x = 660,059,404.65
  5. Step 5: Solve for x
    x = 660,059,404.65/35,697.51
  6. Step 6: Final answer
    x = 18,490.35

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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.