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Finding the Fourth Proportional to 35,484.24, 53,242.05 and 18,840.24

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Solution

The fourth proportional to 35,484.24, 53,242.05 and 18,840.24 is: 28,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.24 : 53,242.05 = 18,840.24 : x
  2. Step 2: Convert to fraction form
    35,484.24/53,242.05 = 18,840.24/x
  3. Step 3: Cross multiply
    35,484.24x = 53,242.05 × 18,840.24
  4. Step 4: Simplify right side
    35,484.24x = 1,003,093,000.09
  5. Step 5: Solve for x
    x = 1,003,093,000.09/35,484.24
  6. Step 6: Final answer
    x = 28,268.69

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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.