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Finding the Fourth Proportional to 52,455.53, 72,387.72 and 28,582.40

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Solution

The fourth proportional to 52,455.53, 72,387.72 and 28,582.40 is: 39,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.53 : 72,387.72 = 28,582.40 : x
  2. Step 2: Convert to fraction form
    52,455.53/72,387.72 = 28,582.40/x
  3. Step 3: Cross multiply
    52,455.53x = 72,387.72 × 28,582.40
  4. Step 4: Simplify right side
    52,455.53x = 2,069,014,768.13
  5. Step 5: Solve for x
    x = 2,069,014,768.13/52,455.53
  6. Step 6: Final answer
    x = 39,443.22

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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.