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Finding the Fourth Proportional to 53,218, 73,440.03 and 29,344.06

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Solution

The fourth proportional to 53,218, 73,440.03 and 29,344.06 is: 40,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218 : 73,440.03 = 29,344.06 : x
  2. Step 2: Convert to fraction form
    53,218/73,440.03 = 29,344.06/x
  3. Step 3: Cross multiply
    53,218x = 73,440.03 × 29,344.06
  4. Step 4: Simplify right side
    53,218x = 2,155,028,646.72
  5. Step 5: Solve for x
    x = 2,155,028,646.72/53,218
  6. Step 6: Final answer
    x = 40,494.36

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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.