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Finding the Fourth Proportional to 52,237.76, 72,036 and 33,368

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Solution

The fourth proportional to 52,237.76, 72,036 and 33,368 is: 46,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,237.76 : 72,036 = 33,368 : x
  2. Step 2: Convert to fraction form
    52,237.76/72,036 = 33,368/x
  3. Step 3: Cross multiply
    52,237.76x = 72,036 × 33,368
  4. Step 4: Simplify right side
    52,237.76x = 2,403,697,248
  5. Step 5: Solve for x
    x = 2,403,697,248/52,237.76
  6. Step 6: Final answer
    x = 46,014.55

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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.