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Finding the Fourth Proportional to 66,886.86, 92,303.46 and 36,673.46

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Solution

The fourth proportional to 66,886.86, 92,303.46 and 36,673.46 is: 50,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.86 : 92,303.46 = 36,673.46 : x
  2. Step 2: Convert to fraction form
    66,886.86/92,303.46 = 36,673.46/x
  3. Step 3: Cross multiply
    66,886.86x = 92,303.46 × 36,673.46
  4. Step 4: Simplify right side
    66,886.86x = 3,385,087,248.17
  5. Step 5: Solve for x
    x = 3,385,087,248.17/66,886.86
  6. Step 6: Final answer
    x = 50,609.15

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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.