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Finding the Fourth Proportional to 15,368, 23,056.80 and 5,507.04

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Solution

The fourth proportional to 15,368, 23,056.80 and 5,507.04 is: 8,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368 : 23,056.80 = 5,507.04 : x
  2. Step 2: Convert to fraction form
    15,368/23,056.80 = 5,507.04/x
  3. Step 3: Cross multiply
    15,368x = 23,056.80 × 5,507.04
  4. Step 4: Simplify right side
    15,368x = 126,974,719.87
  5. Step 5: Solve for x
    x = 126,974,719.87/15,368
  6. Step 6: Final answer
    x = 8,262.28

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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.