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Finding the Fourth Proportional to 57,954.58, 79,970.69 and 32,457.40

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Solution

The fourth proportional to 57,954.58, 79,970.69 and 32,457.40 is: 44,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.58 : 79,970.69 = 32,457.40 : x
  2. Step 2: Convert to fraction form
    57,954.58/79,970.69 = 32,457.40/x
  3. Step 3: Cross multiply
    57,954.58x = 79,970.69 × 32,457.40
  4. Step 4: Simplify right side
    57,954.58x = 2,595,640,554.82
  5. Step 5: Solve for x
    x = 2,595,640,554.82/57,954.58
  6. Step 6: Final answer
    x = 44,787.50

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1.5x scale

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.