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Finding the Fourth Proportional to 35,603.58, 53,409.03 and 13,435.62

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Solution

The fourth proportional to 35,603.58, 53,409.03 and 13,435.62 is: 20,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.58 : 53,409.03 = 13,435.62 : x
  2. Step 2: Convert to fraction form
    35,603.58/53,409.03 = 13,435.62/x
  3. Step 3: Cross multiply
    35,603.58x = 53,409.03 × 13,435.62
  4. Step 4: Simplify right side
    35,603.58x = 717,583,431.65
  5. Step 5: Solve for x
    x = 717,583,431.65/35,603.58
  6. Step 6: Final answer
    x = 20,154.81

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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.