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Finding the Fourth Proportional to 17,068.76, 25,603.12 and 4,756.76

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Solution

The fourth proportional to 17,068.76, 25,603.12 and 4,756.76 is: 7,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.76 : 25,603.12 = 4,756.76 : x
  2. Step 2: Convert to fraction form
    17,068.76/25,603.12 = 4,756.76/x
  3. Step 3: Cross multiply
    17,068.76x = 25,603.12 × 4,756.76
  4. Step 4: Simplify right side
    17,068.76x = 121,787,897.09
  5. Step 5: Solve for x
    x = 121,787,897.09/17,068.76
  6. Step 6: Final answer
    x = 7,135.13

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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.