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Finding the Fourth Proportional to 74,368.36, 102,627.06 and 40,834.12

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Solution

The fourth proportional to 74,368.36, 102,627.06 and 40,834.12 is: 56,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.36 : 102,627.06 = 40,834.12 : x
  2. Step 2: Convert to fraction form
    74,368.36/102,627.06 = 40,834.12/x
  3. Step 3: Cross multiply
    74,368.36x = 102,627.06 × 40,834.12
  4. Step 4: Simplify right side
    74,368.36x = 4,190,685,683.29
  5. Step 5: Solve for x
    x = 4,190,685,683.29/74,368.36
  6. Step 6: Final answer
    x = 56,350.38

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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.