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Finding the Fourth Proportional to 61,598.25, 85,005.16 and 34,740.99

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Solution

The fourth proportional to 61,598.25, 85,005.16 and 34,740.99 is: 47,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,598.25 : 85,005.16 = 34,740.99 : x
  2. Step 2: Convert to fraction form
    61,598.25/85,005.16 = 34,740.99/x
  3. Step 3: Cross multiply
    61,598.25x = 85,005.16 × 34,740.99
  4. Step 4: Simplify right side
    61,598.25x = 2,953,163,413.51
  5. Step 5: Solve for x
    x = 2,953,163,413.51/61,598.25
  6. Step 6: Final answer
    x = 47,942.33

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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.