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Finding the Fourth Proportional to 35,352.64, 53,038.86 and 11,980.84

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Solution

The fourth proportional to 35,352.64, 53,038.86 and 11,980.84 is: 17,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.64 : 53,038.86 = 11,980.84 : x
  2. Step 2: Convert to fraction form
    35,352.64/53,038.86 = 11,980.84/x
  3. Step 3: Cross multiply
    35,352.64x = 53,038.86 × 11,980.84
  4. Step 4: Simplify right side
    35,352.64x = 635,450,095.44
  5. Step 5: Solve for x
    x = 635,450,095.44/35,352.64
  6. Step 6: Final answer
    x = 17,974.62

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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.