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Finding the Fourth Proportional to 63,771.84, 88,006.32 and 35,480.16

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Solution

The fourth proportional to 63,771.84, 88,006.32 and 35,480.16 is: 48,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,771.84 : 88,006.32 = 35,480.16 : x
  2. Step 2: Convert to fraction form
    63,771.84/88,006.32 = 35,480.16/x
  3. Step 3: Cross multiply
    63,771.84x = 88,006.32 × 35,480.16
  4. Step 4: Simplify right side
    63,771.84x = 3,122,478,314.61
  5. Step 5: Solve for x
    x = 3,122,478,314.61/63,771.84
  6. Step 6: Final answer
    x = 48,963.28

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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.