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Finding the Fourth Proportional to 35,341.92, 53,012.42 and 10,381.08

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Solution

The fourth proportional to 35,341.92, 53,012.42 and 10,381.08 is: 15,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.92 : 53,012.42 = 10,381.08 : x
  2. Step 2: Convert to fraction form
    35,341.92/53,012.42 = 10,381.08/x
  3. Step 3: Cross multiply
    35,341.92x = 53,012.42 × 10,381.08
  4. Step 4: Simplify right side
    35,341.92x = 550,326,173.01
  5. Step 5: Solve for x
    x = 550,326,173.01/35,341.92
  6. Step 6: Final answer
    x = 15,571.48

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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.