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Finding the Fourth Proportional to 66,699.58, 92,041.98 and 36,479.02

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Solution

The fourth proportional to 66,699.58, 92,041.98 and 36,479.02 is: 50,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699.58 : 92,041.98 = 36,479.02 : x
  2. Step 2: Convert to fraction form
    66,699.58/92,041.98 = 36,479.02/x
  3. Step 3: Cross multiply
    66,699.58x = 92,041.98 × 36,479.02
  4. Step 4: Simplify right side
    66,699.58x = 3,357,601,229.26
  5. Step 5: Solve for x
    x = 3,357,601,229.26/66,699.58
  6. Step 6: Final answer
    x = 50,339.17

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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.