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Finding the Fourth Proportional to 66,095.94, 91,209.69 and 35,880.09

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Solution

The fourth proportional to 66,095.94, 91,209.69 and 35,880.09 is: 49,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095.94 : 91,209.69 = 35,880.09 : x
  2. Step 2: Convert to fraction form
    66,095.94/91,209.69 = 35,880.09/x
  3. Step 3: Cross multiply
    66,095.94x = 91,209.69 × 35,880.09
  4. Step 4: Simplify right side
    66,095.94x = 3,272,611,886.07
  5. Step 5: Solve for x
    x = 3,272,611,886.07/66,095.94
  6. Step 6: Final answer
    x = 49,513.05

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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.