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Finding the Fourth Proportional to 35,998.49, 53,998.99 and 9,703.87

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Solution

The fourth proportional to 35,998.49, 53,998.99 and 9,703.87 is: 14,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.49 : 53,998.99 = 9,703.87 : x
  2. Step 2: Convert to fraction form
    35,998.49/53,998.99 = 9,703.87/x
  3. Step 3: Cross multiply
    35,998.49x = 53,998.99 × 9,703.87
  4. Step 4: Simplify right side
    35,998.49x = 523,999,019.83
  5. Step 5: Solve for x
    x = 523,999,019.83/35,998.49
  6. Step 6: Final answer
    x = 14,556.14

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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.