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Finding the Fourth Proportional to 52,603.65, 72,591.92 and 28,730.42

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Solution

The fourth proportional to 52,603.65, 72,591.92 and 28,730.42 is: 39,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.65 : 72,591.92 = 28,730.42 : x
  2. Step 2: Convert to fraction form
    52,603.65/72,591.92 = 28,730.42/x
  3. Step 3: Cross multiply
    52,603.65x = 72,591.92 × 28,730.42
  4. Step 4: Simplify right side
    52,603.65x = 2,085,596,388.03
  5. Step 5: Solve for x
    x = 2,085,596,388.03/52,603.65
  6. Step 6: Final answer
    x = 39,647.37

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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.