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Finding the Fourth Proportional to 51,663.81, 77,495.41 and 16,603.57

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Solution

The fourth proportional to 51,663.81, 77,495.41 and 16,603.57 is: 24,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.81 : 77,495.41 = 16,603.57 : x
  2. Step 2: Convert to fraction form
    51,663.81/77,495.41 = 16,603.57/x
  3. Step 3: Cross multiply
    51,663.81x = 77,495.41 × 16,603.57
  4. Step 4: Simplify right side
    51,663.81x = 1,286,700,464.61
  5. Step 5: Solve for x
    x = 1,286,700,464.61/51,663.81
  6. Step 6: Final answer
    x = 24,905.26

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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.