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Finding the Fourth Proportional to 35,430.84, 48,893.85 and 19,514.88

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Solution

The fourth proportional to 35,430.84, 48,893.85 and 19,514.88 is: 26,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.84 : 48,893.85 = 19,514.88 : x
  2. Step 2: Convert to fraction form
    35,430.84/48,893.85 = 19,514.88/x
  3. Step 3: Cross multiply
    35,430.84x = 48,893.85 × 19,514.88
  4. Step 4: Simplify right side
    35,430.84x = 954,157,615.49
  5. Step 5: Solve for x
    x = 954,157,615.49/35,430.84
  6. Step 6: Final answer
    x = 26,930.14

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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.