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Finding the Fourth Proportional to 35,484.80, 48,968.36 and 19,570.76

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Solution

The fourth proportional to 35,484.80, 48,968.36 and 19,570.76 is: 27,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.80 : 48,968.36 = 19,570.76 : x
  2. Step 2: Convert to fraction form
    35,484.80/48,968.36 = 19,570.76/x
  3. Step 3: Cross multiply
    35,484.80x = 48,968.36 × 19,570.76
  4. Step 4: Simplify right side
    35,484.80x = 958,348,021.15
  5. Step 5: Solve for x
    x = 958,348,021.15/35,484.80
  6. Step 6: Final answer
    x = 27,007.28

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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.