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Finding the Fourth Proportional to 66,699.05, 92,039.69 and 36,482.81

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Solution

The fourth proportional to 66,699.05, 92,039.69 and 36,482.81 is: 50,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699.05 : 92,039.69 = 36,482.81 : x
  2. Step 2: Convert to fraction form
    66,699.05/92,039.69 = 36,482.81/x
  3. Step 3: Cross multiply
    66,699.05x = 92,039.69 × 36,482.81
  4. Step 4: Simplify right side
    66,699.05x = 3,357,866,153.74
  5. Step 5: Solve for x
    x = 3,357,866,153.74/66,699.05
  6. Step 6: Final answer
    x = 50,343.54

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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.