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Finding the Fourth Proportional to 19,007.58, 28,510.02 and 5,858.58

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Solution

The fourth proportional to 19,007.58, 28,510.02 and 5,858.58 is: 8,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.58 : 28,510.02 = 5,858.58 : x
  2. Step 2: Convert to fraction form
    19,007.58/28,510.02 = 5,858.58/x
  3. Step 3: Cross multiply
    19,007.58x = 28,510.02 × 5,858.58
  4. Step 4: Simplify right side
    19,007.58x = 167,028,232.97
  5. Step 5: Solve for x
    x = 167,028,232.97/19,007.58
  6. Step 6: Final answer
    x = 8,787.45

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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.