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Finding the Fourth Proportional to 15,300.40, 22,907.40 and 14,868.40

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Solution

The fourth proportional to 15,300.40, 22,907.40 and 14,868.40 is: 22,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.40 : 22,907.40 = 14,868.40 : x
  2. Step 2: Convert to fraction form
    15,300.40/22,907.40 = 14,868.40/x
  3. Step 3: Cross multiply
    15,300.40x = 22,907.40 × 14,868.40
  4. Step 4: Simplify right side
    15,300.40x = 340,596,386.16
  5. Step 5: Solve for x
    x = 340,596,386.16/15,300.40
  6. Step 6: Final answer
    x = 22,260.62

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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.