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Finding the Fourth Proportional to 74,571.10, 102,908.13 and 41,037.10

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Solution

The fourth proportional to 74,571.10, 102,908.13 and 41,037.10 is: 56,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.10 : 102,908.13 = 41,037.10 : x
  2. Step 2: Convert to fraction form
    74,571.10/102,908.13 = 41,037.10/x
  3. Step 3: Cross multiply
    74,571.10x = 102,908.13 × 41,037.10
  4. Step 4: Simplify right side
    74,571.10x = 4,223,050,707.08
  5. Step 5: Solve for x
    x = 4,223,050,707.08/74,571.10
  6. Step 6: Final answer
    x = 56,631.20

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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.