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Finding the Fourth Proportional to 66,074.47, 91,182.58 and 35,859.51

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Solution

The fourth proportional to 66,074.47, 91,182.58 and 35,859.51 is: 49,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.47 : 91,182.58 = 35,859.51 : x
  2. Step 2: Convert to fraction form
    66,074.47/91,182.58 = 35,859.51/x
  3. Step 3: Cross multiply
    66,074.47x = 91,182.58 × 35,859.51
  4. Step 4: Simplify right side
    66,074.47x = 3,269,762,549.69
  5. Step 5: Solve for x
    x = 3,269,762,549.69/66,074.47
  6. Step 6: Final answer
    x = 49,486.02

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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.