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Finding the Fourth Proportional to 53,751.80, 74,177.74 and 29,880.68

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Solution

The fourth proportional to 53,751.80, 74,177.74 and 29,880.68 is: 41,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,751.80 : 74,177.74 = 29,880.68 : x
  2. Step 2: Convert to fraction form
    53,751.80/74,177.74 = 29,880.68/x
  3. Step 3: Cross multiply
    53,751.80x = 74,177.74 × 29,880.68
  4. Step 4: Simplify right side
    53,751.80x = 2,216,481,312.06
  5. Step 5: Solve for x
    x = 2,216,481,312.06/53,751.80
  6. Step 6: Final answer
    x = 41,235.48

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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.