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Finding the Fourth Proportional to 66,225.84, 91,392.80 and 36,011.38

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Solution

The fourth proportional to 66,225.84, 91,392.80 and 36,011.38 is: 49,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.84 : 91,392.80 = 36,011.38 : x
  2. Step 2: Convert to fraction form
    66,225.84/91,392.80 = 36,011.38/x
  3. Step 3: Cross multiply
    66,225.84x = 91,392.80 × 36,011.38
  4. Step 4: Simplify right side
    66,225.84x = 3,291,180,850.06
  5. Step 5: Solve for x
    x = 3,291,180,850.06/66,225.84
  6. Step 6: Final answer
    x = 49,696.32

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Half scale
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Double scale
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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.