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Finding the Fourth Proportional to 35,485.58, 48,970.42 and 19,570.58

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Solution

The fourth proportional to 35,485.58, 48,970.42 and 19,570.58 is: 27,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.58 : 48,970.42 = 19,570.58 : x
  2. Step 2: Convert to fraction form
    35,485.58/48,970.42 = 19,570.58/x
  3. Step 3: Cross multiply
    35,485.58x = 48,970.42 × 19,570.58
  4. Step 4: Simplify right side
    35,485.58x = 958,379,522.24
  5. Step 5: Solve for x
    x = 958,379,522.24/35,485.58
  6. Step 6: Final answer
    x = 27,007.58

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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.