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Finding the Fourth Proportional to 57,158.71, 85,696.53 and 23,888.29

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Solution

The fourth proportional to 57,158.71, 85,696.53 and 23,888.29 is: 35,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.71 : 85,696.53 = 23,888.29 : x
  2. Step 2: Convert to fraction form
    57,158.71/85,696.53 = 23,888.29/x
  3. Step 3: Cross multiply
    57,158.71x = 85,696.53 × 23,888.29
  4. Step 4: Simplify right side
    57,158.71x = 2,047,143,560.63
  5. Step 5: Solve for x
    x = 2,047,143,560.63/57,158.71
  6. Step 6: Final answer
    x = 35,815.08

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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.