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Finding the Fourth Proportional to 19,488.53, 29,232.99 and 7,017.45

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Solution

The fourth proportional to 19,488.53, 29,232.99 and 7,017.45 is: 10,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.53 : 29,232.99 = 7,017.45 : x
  2. Step 2: Convert to fraction form
    19,488.53/29,232.99 = 7,017.45/x
  3. Step 3: Cross multiply
    19,488.53x = 29,232.99 × 7,017.45
  4. Step 4: Simplify right side
    19,488.53x = 205,141,045.68
  5. Step 5: Solve for x
    x = 205,141,045.68/19,488.53
  6. Step 6: Final answer
    x = 10,526.25

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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.