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Finding the Fourth Proportional to 35,782.99, 53,675.46 and 9,487.69

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Solution

The fourth proportional to 35,782.99, 53,675.46 and 9,487.69 is: 14,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.99 : 53,675.46 = 9,487.69 : x
  2. Step 2: Convert to fraction form
    35,782.99/53,675.46 = 9,487.69/x
  3. Step 3: Cross multiply
    35,782.99x = 53,675.46 × 9,487.69
  4. Step 4: Simplify right side
    35,782.99x = 509,255,990.90
  5. Step 5: Solve for x
    x = 509,255,990.90/35,782.99
  6. Step 6: Final answer
    x = 14,231.79

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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.