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Finding the Fourth Proportional to 15,812.58, 23,719.29 and 7,490.58

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Solution

The fourth proportional to 15,812.58, 23,719.29 and 7,490.58 is: 11,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.58 : 23,719.29 = 7,490.58 : x
  2. Step 2: Convert to fraction form
    15,812.58/23,719.29 = 7,490.58/x
  3. Step 3: Cross multiply
    15,812.58x = 23,719.29 × 7,490.58
  4. Step 4: Simplify right side
    15,812.58x = 177,671,239.29
  5. Step 5: Solve for x
    x = 177,671,239.29/15,812.58
  6. Step 6: Final answer
    x = 11,236.07

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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.