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Finding the Fourth Proportional to 38,699.64, 58,050.77 and 13,741.64

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Solution

The fourth proportional to 38,699.64, 58,050.77 and 13,741.64 is: 20,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.64 : 58,050.77 = 13,741.64 : x
  2. Step 2: Convert to fraction form
    38,699.64/58,050.77 = 13,741.64/x
  3. Step 3: Cross multiply
    38,699.64x = 58,050.77 × 13,741.64
  4. Step 4: Simplify right side
    38,699.64x = 797,712,424.10
  5. Step 5: Solve for x
    x = 797,712,424.10/38,699.64
  6. Step 6: Final answer
    x = 20,612.92

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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.