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Finding the Fourth Proportional to 35,520, 53,290.44 and 10,560.24

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Solution

The fourth proportional to 35,520, 53,290.44 and 10,560.24 is: 15,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520 : 53,290.44 = 10,560.24 : x
  2. Step 2: Convert to fraction form
    35,520/53,290.44 = 10,560.24/x
  3. Step 3: Cross multiply
    35,520x = 53,290.44 × 10,560.24
  4. Step 4: Simplify right side
    35,520x = 562,759,836.11
  5. Step 5: Solve for x
    x = 562,759,836.11/35,520
  6. Step 6: Final answer
    x = 15,843.46

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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.