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Finding the Fourth Proportional to 52,392.84, 72,303.75 and 28,521.11

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Solution

The fourth proportional to 52,392.84, 72,303.75 and 28,521.11 is: 39,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,392.84 : 72,303.75 = 28,521.11 : x
  2. Step 2: Convert to fraction form
    52,392.84/72,303.75 = 28,521.11/x
  3. Step 3: Cross multiply
    52,392.84x = 72,303.75 × 28,521.11
  4. Step 4: Simplify right side
    52,392.84x = 2,062,183,207.16
  5. Step 5: Solve for x
    x = 2,062,183,207.16/52,392.84
  6. Step 6: Final answer
    x = 39,360.02

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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.