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Finding the Fourth Proportional to 35,533, 53,299.77 and 12,159.64

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Solution

The fourth proportional to 35,533, 53,299.77 and 12,159.64 is: 18,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,533 : 53,299.77 = 12,159.64 : x
  2. Step 2: Convert to fraction form
    35,533/53,299.77 = 12,159.64/x
  3. Step 3: Cross multiply
    35,533x = 53,299.77 × 12,159.64
  4. Step 4: Simplify right side
    35,533x = 648,106,015.28
  5. Step 5: Solve for x
    x = 648,106,015.28/35,533
  6. Step 6: Final answer
    x = 18,239.55

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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.