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Finding the Fourth Proportional to 58,881.51, 81,254.79 and 33,390.27

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Solution

The fourth proportional to 58,881.51, 81,254.79 and 33,390.27 is: 46,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.51 : 81,254.79 = 33,390.27 : x
  2. Step 2: Convert to fraction form
    58,881.51/81,254.79 = 33,390.27/x
  3. Step 3: Cross multiply
    58,881.51x = 81,254.79 × 33,390.27
  4. Step 4: Simplify right side
    58,881.51x = 2,713,119,376.89
  5. Step 5: Solve for x
    x = 2,713,119,376.89/58,881.51
  6. Step 6: Final answer
    x = 46,077.61

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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.