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Finding the Fourth Proportional to 57,833.51, 86,510.37 and 54,290.57

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Solution

The fourth proportional to 57,833.51, 86,510.37 and 54,290.57 is: 81,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,833.51 : 86,510.37 = 54,290.57 : x
  2. Step 2: Convert to fraction form
    57,833.51/86,510.37 = 54,290.57/x
  3. Step 3: Cross multiply
    57,833.51x = 86,510.37 × 54,290.57
  4. Step 4: Simplify right side
    57,833.51x = 4,696,697,152.73
  5. Step 5: Solve for x
    x = 4,696,697,152.73/57,833.51
  6. Step 6: Final answer
    x = 81,210.66

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1.5x scale

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.