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Finding the Fourth Proportional to 61,521.36, 84,897.93 and 35,684.47

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Solution

The fourth proportional to 61,521.36, 84,897.93 and 35,684.47 is: 49,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.36 : 84,897.93 = 35,684.47 : x
  2. Step 2: Convert to fraction form
    61,521.36/84,897.93 = 35,684.47/x
  3. Step 3: Cross multiply
    61,521.36x = 84,897.93 × 35,684.47
  4. Step 4: Simplify right side
    61,521.36x = 3,029,537,794.21
  5. Step 5: Solve for x
    x = 3,029,537,794.21/61,521.36
  6. Step 6: Final answer
    x = 49,243.68

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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.