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Finding the Fourth Proportional to 66,752.05, 100,017.50 and 46,933.78

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Solution

The fourth proportional to 66,752.05, 100,017.50 and 46,933.78 is: 70,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,752.05 : 100,017.50 = 46,933.78 : x
  2. Step 2: Convert to fraction form
    66,752.05/100,017.50 = 46,933.78/x
  3. Step 3: Cross multiply
    66,752.05x = 100,017.50 × 46,933.78
  4. Step 4: Simplify right side
    66,752.05x = 4,694,199,341.15
  5. Step 5: Solve for x
    x = 4,694,199,341.15/66,752.05
  6. Step 6: Final answer
    x = 70,322.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.