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Finding the Fourth Proportional to 10,316, 14,235.94 and 5,600.45

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Solution

The fourth proportional to 10,316, 14,235.94 and 5,600.45 is: 7,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316 : 14,235.94 = 5,600.45 : x
  2. Step 2: Convert to fraction form
    10,316/14,235.94 = 5,600.45/x
  3. Step 3: Cross multiply
    10,316x = 14,235.94 × 5,600.45
  4. Step 4: Simplify right side
    10,316x = 79,727,670.17
  5. Step 5: Solve for x
    x = 79,727,670.17/10,316
  6. Step 6: Final answer
    x = 7,728.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.