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Finding the Fourth Proportional to 53,318.32, 73,579.03 and 29,444.88

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Solution

The fourth proportional to 53,318.32, 73,579.03 and 29,444.88 is: 40,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.32 : 73,579.03 = 29,444.88 : x
  2. Step 2: Convert to fraction form
    53,318.32/73,579.03 = 29,444.88/x
  3. Step 3: Cross multiply
    53,318.32x = 73,579.03 × 29,444.88
  4. Step 4: Simplify right side
    53,318.32x = 2,166,525,561.64
  5. Step 5: Solve for x
    x = 2,166,525,561.64/53,318.32
  6. Step 6: Final answer
    x = 40,633.80

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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.