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Finding the Fourth Proportional to 52,607, 72,597.66 and 30,251

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Solution

The fourth proportional to 52,607, 72,597.66 and 30,251 is: 41,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,607 : 72,597.66 = 30,251 : x
  2. Step 2: Convert to fraction form
    52,607/72,597.66 = 30,251/x
  3. Step 3: Cross multiply
    52,607x = 72,597.66 × 30,251
  4. Step 4: Simplify right side
    52,607x = 2,196,151,812.66
  5. Step 5: Solve for x
    x = 2,196,151,812.66/52,607
  6. Step 6: Final answer
    x = 41,746.38

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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.