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Finding the Fourth Proportional to 67,069.28, 92,583.98 and 45,270.28

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Solution

The fourth proportional to 67,069.28, 92,583.98 and 45,270.28 is: 62,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,069.28 : 92,583.98 = 45,270.28 : x
  2. Step 2: Convert to fraction form
    67,069.28/92,583.98 = 45,270.28/x
  3. Step 3: Cross multiply
    67,069.28x = 92,583.98 × 45,270.28
  4. Step 4: Simplify right side
    67,069.28x = 4,191,302,698.11
  5. Step 5: Solve for x
    x = 4,191,302,698.11/67,069.28
  6. Step 6: Final answer
    x = 62,492.14

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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.