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Finding the Fourth Proportional to 66,182.68, 91,332.81 and 35,968.51

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Solution

The fourth proportional to 66,182.68, 91,332.81 and 35,968.51 is: 49,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,182.68 : 91,332.81 = 35,968.51 : x
  2. Step 2: Convert to fraction form
    66,182.68/91,332.81 = 35,968.51/x
  3. Step 3: Cross multiply
    66,182.68x = 91,332.81 × 35,968.51
  4. Step 4: Simplify right side
    66,182.68x = 3,285,105,089.81
  5. Step 5: Solve for x
    x = 3,285,105,089.81/66,182.68
  6. Step 6: Final answer
    x = 49,636.93

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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.