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Finding the Fourth Proportional to 57,068.40, 85,602.60 and 14,948.40

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Solution

The fourth proportional to 57,068.40, 85,602.60 and 14,948.40 is: 22,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.40 : 85,602.60 = 14,948.40 : x
  2. Step 2: Convert to fraction form
    57,068.40/85,602.60 = 14,948.40/x
  3. Step 3: Cross multiply
    57,068.40x = 85,602.60 × 14,948.40
  4. Step 4: Simplify right side
    57,068.40x = 1,279,621,905.84
  5. Step 5: Solve for x
    x = 1,279,621,905.84/57,068.40
  6. Step 6: Final answer
    x = 22,422.60

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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.