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Finding the Fourth Proportional to 33,113.88, 49,681.08 and 11,477.20

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Solution

The fourth proportional to 33,113.88, 49,681.08 and 11,477.20 is: 17,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.88 : 49,681.08 = 11,477.20 : x
  2. Step 2: Convert to fraction form
    33,113.88/49,681.08 = 11,477.20/x
  3. Step 3: Cross multiply
    33,113.88x = 49,681.08 × 11,477.20
  4. Step 4: Simplify right side
    33,113.88x = 570,199,385.58
  5. Step 5: Solve for x
    x = 570,199,385.58/33,113.88
  6. Step 6: Final answer
    x = 17,219.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.