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Finding the Fourth Proportional to 61,548, 92,312.64 and 17,170.08

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Solution

The fourth proportional to 61,548, 92,312.64 and 17,170.08 is: 25,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,548 : 92,312.64 = 17,170.08 : x
  2. Step 2: Convert to fraction form
    61,548/92,312.64 = 17,170.08/x
  3. Step 3: Cross multiply
    61,548x = 92,312.64 × 17,170.08
  4. Step 4: Simplify right side
    61,548x = 1,585,015,413.81
  5. Step 5: Solve for x
    x = 1,585,015,413.81/61,548
  6. Step 6: Final answer
    x = 25,752.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.