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Finding the Fourth Proportional to 35,692.80, 49,256.13 and 19,557.55

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Solution

The fourth proportional to 35,692.80, 49,256.13 and 19,557.55 is: 26,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,692.80 : 49,256.13 = 19,557.55 : x
  2. Step 2: Convert to fraction form
    35,692.80/49,256.13 = 19,557.55/x
  3. Step 3: Cross multiply
    35,692.80x = 49,256.13 × 19,557.55
  4. Step 4: Simplify right side
    35,692.80x = 963,329,004.35
  5. Step 5: Solve for x
    x = 963,329,004.35/35,692.80
  6. Step 6: Final answer
    x = 26,989.45

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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.