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Finding the Fourth Proportional to 10,603.36, 14,637.92 and 6,626.68

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Solution

The fourth proportional to 10,603.36, 14,637.92 and 6,626.68 is: 9,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.36 : 14,637.92 = 6,626.68 : x
  2. Step 2: Convert to fraction form
    10,603.36/14,637.92 = 6,626.68/x
  3. Step 3: Cross multiply
    10,603.36x = 14,637.92 × 6,626.68
  4. Step 4: Simplify right side
    10,603.36x = 97,000,811.71
  5. Step 5: Solve for x
    x = 97,000,811.71/10,603.36
  6. Step 6: Final answer
    x = 9,148.12

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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.