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Finding the Fourth Proportional to 61,957.42, 92,884.79 and 51,398.26

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Solution

The fourth proportional to 61,957.42, 92,884.79 and 51,398.26 is: 77,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.42 : 92,884.79 = 51,398.26 : x
  2. Step 2: Convert to fraction form
    61,957.42/92,884.79 = 51,398.26/x
  3. Step 3: Cross multiply
    61,957.42x = 92,884.79 × 51,398.26
  4. Step 4: Simplify right side
    61,957.42x = 4,774,116,482.75
  5. Step 5: Solve for x
    x = 4,774,116,482.75/61,957.42
  6. Step 6: Final answer
    x = 77,054.80

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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.