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Finding the Fourth Proportional to 35,532, 53,298.27 and 12,158.64

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Solution

The fourth proportional to 35,532, 53,298.27 and 12,158.64 is: 18,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532 : 53,298.27 = 12,158.64 : x
  2. Step 2: Convert to fraction form
    35,532/53,298.27 = 12,158.64/x
  3. Step 3: Cross multiply
    35,532x = 53,298.27 × 12,158.64
  4. Step 4: Simplify right side
    35,532x = 648,034,477.55
  5. Step 5: Solve for x
    x = 648,034,477.55/35,532
  6. Step 6: Final answer
    x = 18,238.05

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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.