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Finding the Fourth Proportional to 30,677.93, 46,017.93 and 8,489.45

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Solution

The fourth proportional to 30,677.93, 46,017.93 and 8,489.45 is: 12,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.93 : 46,017.93 = 8,489.45 : x
  2. Step 2: Convert to fraction form
    30,677.93/46,017.93 = 8,489.45/x
  3. Step 3: Cross multiply
    30,677.93x = 46,017.93 × 8,489.45
  4. Step 4: Simplify right side
    30,677.93x = 390,666,873.39
  5. Step 5: Solve for x
    x = 390,666,873.39/30,677.93
  6. Step 6: Final answer
    x = 12,734.46

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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.