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Finding the Fourth Proportional to 35,703.21, 49,270.35 and 19,570.50

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Solution

The fourth proportional to 35,703.21, 49,270.35 and 19,570.50 is: 27,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.21 : 49,270.35 = 19,570.50 : x
  2. Step 2: Convert to fraction form
    35,703.21/49,270.35 = 19,570.50/x
  3. Step 3: Cross multiply
    35,703.21x = 49,270.35 × 19,570.50
  4. Step 4: Simplify right side
    35,703.21x = 964,245,384.68
  5. Step 5: Solve for x
    x = 964,245,384.68/35,703.21
  6. Step 6: Final answer
    x = 27,007.25

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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.