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Finding the Fourth Proportional to 35,365.31, 53,019.36 and 11,658.06

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Solution

The fourth proportional to 35,365.31, 53,019.36 and 11,658.06 is: 17,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,365.31 : 53,019.36 = 11,658.06 : x
  2. Step 2: Convert to fraction form
    35,365.31/53,019.36 = 11,658.06/x
  3. Step 3: Cross multiply
    35,365.31x = 53,019.36 × 11,658.06
  4. Step 4: Simplify right side
    35,365.31x = 618,102,880.04
  5. Step 5: Solve for x
    x = 618,102,880.04/35,365.31
  6. Step 6: Final answer
    x = 17,477.66

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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.