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Finding the Fourth Proportional to 74,804.76, 103,267.98 and 46,519.56

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Solution

The fourth proportional to 74,804.76, 103,267.98 and 46,519.56 is: 64,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.76 : 103,267.98 = 46,519.56 : x
  2. Step 2: Convert to fraction form
    74,804.76/103,267.98 = 46,519.56/x
  3. Step 3: Cross multiply
    74,804.76x = 103,267.98 × 46,519.56
  4. Step 4: Simplify right side
    74,804.76x = 4,803,980,991.69
  5. Step 5: Solve for x
    x = 4,803,980,991.69/74,804.76
  6. Step 6: Final answer
    x = 64,220.26

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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.