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Finding the Fourth Proportional to 35,918.36, 53,880.44 and 9,622.88

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Solution

The fourth proportional to 35,918.36, 53,880.44 and 9,622.88 is: 14,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.36 : 53,880.44 = 9,622.88 : x
  2. Step 2: Convert to fraction form
    35,918.36/53,880.44 = 9,622.88/x
  3. Step 3: Cross multiply
    35,918.36x = 53,880.44 × 9,622.88
  4. Step 4: Simplify right side
    35,918.36x = 518,485,008.47
  5. Step 5: Solve for x
    x = 518,485,008.47/35,918.36
  6. Step 6: Final answer
    x = 14,435.10

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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.