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Finding the Fourth Proportional to 51,151.84, 70,584.48 and 37,730.32

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Solution

The fourth proportional to 51,151.84, 70,584.48 and 37,730.32 is: 52,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.84 : 70,584.48 = 37,730.32 : x
  2. Step 2: Convert to fraction form
    51,151.84/70,584.48 = 37,730.32/x
  3. Step 3: Cross multiply
    51,151.84x = 70,584.48 × 37,730.32
  4. Step 4: Simplify right side
    51,151.84x = 2,663,175,017.43
  5. Step 5: Solve for x
    x = 2,663,175,017.43/51,151.84
  6. Step 6: Final answer
    x = 52,064.11

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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.