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Finding the Fourth Proportional to 35,343.54, 53,015.72 and 9,047.57

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Solution

The fourth proportional to 35,343.54, 53,015.72 and 9,047.57 is: 13,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.54 : 53,015.72 = 9,047.57 : x
  2. Step 2: Convert to fraction form
    35,343.54/53,015.72 = 9,047.57/x
  3. Step 3: Cross multiply
    35,343.54x = 53,015.72 × 9,047.57
  4. Step 4: Simplify right side
    35,343.54x = 479,663,127.48
  5. Step 5: Solve for x
    x = 479,663,127.48/35,343.54
  6. Step 6: Final answer
    x = 13,571.45

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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.