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Finding the Fourth Proportional to 28,165.59, 42,200.94 and 17,038.44

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Solution

The fourth proportional to 28,165.59, 42,200.94 and 17,038.44 is: 25,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.59 : 42,200.94 = 17,038.44 : x
  2. Step 2: Convert to fraction form
    28,165.59/42,200.94 = 17,038.44/x
  3. Step 3: Cross multiply
    28,165.59x = 42,200.94 × 17,038.44
  4. Step 4: Simplify right side
    28,165.59x = 719,038,184.13
  5. Step 5: Solve for x
    x = 719,038,184.13/28,165.59
  6. Step 6: Final answer
    x = 25,528.96

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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.