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Finding the Fourth Proportional to 43,477.61, 65,097.84 and 32,915.68

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Solution

The fourth proportional to 43,477.61, 65,097.84 and 32,915.68 is: 49,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.61 : 65,097.84 = 32,915.68 : x
  2. Step 2: Convert to fraction form
    43,477.61/65,097.84 = 32,915.68/x
  3. Step 3: Cross multiply
    43,477.61x = 65,097.84 × 32,915.68
  4. Step 4: Simplify right side
    43,477.61x = 2,142,739,670.13
  5. Step 5: Solve for x
    x = 2,142,739,670.13/43,477.61
  6. Step 6: Final answer
    x = 49,283.75

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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.