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Finding the Fourth Proportional to 57,698.40, 79,623.72 and 32,547.84

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Solution

The fourth proportional to 57,698.40, 79,623.72 and 32,547.84 is: 44,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.40 : 79,623.72 = 32,547.84 : x
  2. Step 2: Convert to fraction form
    57,698.40/79,623.72 = 32,547.84/x
  3. Step 3: Cross multiply
    57,698.40x = 79,623.72 × 32,547.84
  4. Step 4: Simplify right side
    57,698.40x = 2,591,580,098.76
  5. Step 5: Solve for x
    x = 2,591,580,098.76/57,698.40
  6. Step 6: Final answer
    x = 44,915.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.