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Finding the Fourth Proportional to 9,603.77, 13,252.65 and 5,354.69

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Solution

The fourth proportional to 9,603.77, 13,252.65 and 5,354.69 is: 7,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.77 : 13,252.65 = 5,354.69 : x
  2. Step 2: Convert to fraction form
    9,603.77/13,252.65 = 5,354.69/x
  3. Step 3: Cross multiply
    9,603.77x = 13,252.65 × 5,354.69
  4. Step 4: Simplify right side
    9,603.77x = 70,963,832.43
  5. Step 5: Solve for x
    x = 70,963,832.43/9,603.77
  6. Step 6: Final answer
    x = 7,389.16

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1.5x scale

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.