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Finding the Fourth Proportional to 35,319.42, 48,741.48 and 19,402.92

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Solution

The fourth proportional to 35,319.42, 48,741.48 and 19,402.92 is: 26,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.42 : 48,741.48 = 19,402.92 : x
  2. Step 2: Convert to fraction form
    35,319.42/48,741.48 = 19,402.92/x
  3. Step 3: Cross multiply
    35,319.42x = 48,741.48 × 19,402.92
  4. Step 4: Simplify right side
    35,319.42x = 945,727,037.12
  5. Step 5: Solve for x
    x = 945,727,037.12/35,319.42
  6. Step 6: Final answer
    x = 26,776.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.