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Finding the Fourth Proportional to 32,389.84, 48,585.18 and 9,015.88

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Solution

The fourth proportional to 32,389.84, 48,585.18 and 9,015.88 is: 13,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.84 : 48,585.18 = 9,015.88 : x
  2. Step 2: Convert to fraction form
    32,389.84/48,585.18 = 9,015.88/x
  3. Step 3: Cross multiply
    32,389.84x = 48,585.18 × 9,015.88
  4. Step 4: Simplify right side
    32,389.84x = 438,038,152.66
  5. Step 5: Solve for x
    x = 438,038,152.66/32,389.84
  6. Step 6: Final answer
    x = 13,523.94

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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.