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Finding the Fourth Proportional to 9,866.88, 14,804.20 and 4,677.12

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Solution

The fourth proportional to 9,866.88, 14,804.20 and 4,677.12 is: 7,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.88 : 14,804.20 = 4,677.12 : x
  2. Step 2: Convert to fraction form
    9,866.88/14,804.20 = 4,677.12/x
  3. Step 3: Cross multiply
    9,866.88x = 14,804.20 × 4,677.12
  4. Step 4: Simplify right side
    9,866.88x = 69,241,019.90
  5. Step 5: Solve for x
    x = 69,241,019.90/9,866.88
  6. Step 6: Final answer
    x = 7,017.52

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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.