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Finding the Fourth Proportional to 10,501.68, 15,752.88 and 3,576

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Solution

The fourth proportional to 10,501.68, 15,752.88 and 3,576 is: 5,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.68 : 15,752.88 = 3,576 : x
  2. Step 2: Convert to fraction form
    10,501.68/15,752.88 = 3,576/x
  3. Step 3: Cross multiply
    10,501.68x = 15,752.88 × 3,576
  4. Step 4: Simplify right side
    10,501.68x = 56,332,298.88
  5. Step 5: Solve for x
    x = 56,332,298.88/10,501.68
  6. Step 6: Final answer
    x = 5,364.12

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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.