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Finding the Fourth Proportional to 76,477.97, 105,541.89 and 46,268.82

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Solution

The fourth proportional to 76,477.97, 105,541.89 and 46,268.82 is: 63,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477.97 : 105,541.89 = 46,268.82 : x
  2. Step 2: Convert to fraction form
    76,477.97/105,541.89 = 46,268.82/x
  3. Step 3: Cross multiply
    76,477.97x = 105,541.89 × 46,268.82
  4. Step 4: Simplify right side
    76,477.97x = 4,883,298,537.36
  5. Step 5: Solve for x
    x = 4,883,298,537.36/76,477.97
  6. Step 6: Final answer
    x = 63,852.35

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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.