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Finding the Fourth Proportional to 30,009.60, 44,986.88 and 11,527.68

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Solution

The fourth proportional to 30,009.60, 44,986.88 and 11,527.68 is: 17,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.60 : 44,986.88 = 11,527.68 : x
  2. Step 2: Convert to fraction form
    30,009.60/44,986.88 = 11,527.68/x
  3. Step 3: Cross multiply
    30,009.60x = 44,986.88 × 11,527.68
  4. Step 4: Simplify right side
    30,009.60x = 518,594,356.84
  5. Step 5: Solve for x
    x = 518,594,356.84/30,009.60
  6. Step 6: Final answer
    x = 17,280.95

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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.