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Finding the Fourth Proportional to 33,113.40, 49,670.10 and 14,402.40

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Solution

The fourth proportional to 33,113.40, 49,670.10 and 14,402.40 is: 21,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.40 : 49,670.10 = 14,402.40 : x
  2. Step 2: Convert to fraction form
    33,113.40/49,670.10 = 14,402.40/x
  3. Step 3: Cross multiply
    33,113.40x = 49,670.10 × 14,402.40
  4. Step 4: Simplify right side
    33,113.40x = 715,368,648.24
  5. Step 5: Solve for x
    x = 715,368,648.24/33,113.40
  6. Step 6: Final answer
    x = 21,603.60

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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.