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Finding the Fourth Proportional to 30,989.61, 46,484.88 and 8,803.03

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Solution

The fourth proportional to 30,989.61, 46,484.88 and 8,803.03 is: 13,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.61 : 46,484.88 = 8,803.03 : x
  2. Step 2: Convert to fraction form
    30,989.61/46,484.88 = 8,803.03/x
  3. Step 3: Cross multiply
    30,989.61x = 46,484.88 × 8,803.03
  4. Step 4: Simplify right side
    30,989.61x = 409,207,793.19
  5. Step 5: Solve for x
    x = 409,207,793.19/30,989.61
  6. Step 6: Final answer
    x = 13,204.68

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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.