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Finding the Fourth Proportional to 74,595.60, 102,950.70 and 41,895.39

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Solution

The fourth proportional to 74,595.60, 102,950.70 and 41,895.39 is: 57,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595.60 : 102,950.70 = 41,895.39 : x
  2. Step 2: Convert to fraction form
    74,595.60/102,950.70 = 41,895.39/x
  3. Step 3: Cross multiply
    74,595.60x = 102,950.70 × 41,895.39
  4. Step 4: Simplify right side
    74,595.60x = 4,313,159,884.38
  5. Step 5: Solve for x
    x = 4,313,159,884.38/74,595.60
  6. Step 6: Final answer
    x = 57,820.57

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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.