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Finding the Fourth Proportional to 53,465.97, 73,765.02 and 30,804.39

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Solution

The fourth proportional to 53,465.97, 73,765.02 and 30,804.39 is: 42,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.97 : 73,765.02 = 30,804.39 : x
  2. Step 2: Convert to fraction form
    53,465.97/73,765.02 = 30,804.39/x
  3. Step 3: Cross multiply
    53,465.97x = 73,765.02 × 30,804.39
  4. Step 4: Simplify right side
    53,465.97x = 2,272,286,507.51
  5. Step 5: Solve for x
    x = 2,272,286,507.51/53,465.97
  6. Step 6: Final answer
    x = 42,499.68

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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.