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Finding the Fourth Proportional to 52,373.64, 72,275.04 and 31,153.28

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Solution

The fourth proportional to 52,373.64, 72,275.04 and 31,153.28 is: 42,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,373.64 : 72,275.04 = 31,153.28 : x
  2. Step 2: Convert to fraction form
    52,373.64/72,275.04 = 31,153.28/x
  3. Step 3: Cross multiply
    52,373.64x = 72,275.04 × 31,153.28
  4. Step 4: Simplify right side
    52,373.64x = 2,251,604,558.13
  5. Step 5: Solve for x
    x = 2,251,604,558.13/52,373.64
  6. Step 6: Final answer
    x = 42,991.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.