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Finding the Fourth Proportional to 66,897.84, 92,317.95 and 36,683.43

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Solution

The fourth proportional to 66,897.84, 92,317.95 and 36,683.43 is: 50,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.84 : 92,317.95 = 36,683.43 : x
  2. Step 2: Convert to fraction form
    66,897.84/92,317.95 = 36,683.43/x
  3. Step 3: Cross multiply
    66,897.84x = 92,317.95 × 36,683.43
  4. Step 4: Simplify right side
    66,897.84x = 3,386,539,056.57
  5. Step 5: Solve for x
    x = 3,386,539,056.57/66,897.84
  6. Step 6: Final answer
    x = 50,622.55

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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.