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Finding the Fourth Proportional to 52,608.48, 72,597.72 and 31,376.76

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Solution

The fourth proportional to 52,608.48, 72,597.72 and 31,376.76 is: 43,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,608.48 : 72,597.72 = 31,376.76 : x
  2. Step 2: Convert to fraction form
    52,608.48/72,597.72 = 31,376.76/x
  3. Step 3: Cross multiply
    52,608.48x = 72,597.72 × 31,376.76
  4. Step 4: Simplify right side
    52,608.48x = 2,277,881,236.99
  5. Step 5: Solve for x
    x = 2,277,881,236.99/52,608.48
  6. Step 6: Final answer
    x = 43,298.75

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Double scale
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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.