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Finding the Fourth Proportional to 35,485.55, 48,969.90 and 19,569.99

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Solution

The fourth proportional to 35,485.55, 48,969.90 and 19,569.99 is: 27,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.55 : 48,969.90 = 19,569.99 : x
  2. Step 2: Convert to fraction form
    35,485.55/48,969.90 = 19,569.99/x
  3. Step 3: Cross multiply
    35,485.55x = 48,969.90 × 19,569.99
  4. Step 4: Simplify right side
    35,485.55x = 958,340,453.30
  5. Step 5: Solve for x
    x = 958,340,453.30/35,485.55
  6. Step 6: Final answer
    x = 27,006.50

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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.