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Finding the Fourth Proportional to 60,208.40, 90,363.80 and 26,979.60

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Solution

The fourth proportional to 60,208.40, 90,363.80 and 26,979.60 is: 40,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,208.40 : 90,363.80 = 26,979.60 : x
  2. Step 2: Convert to fraction form
    60,208.40/90,363.80 = 26,979.60/x
  3. Step 3: Cross multiply
    60,208.40x = 90,363.80 × 26,979.60
  4. Step 4: Simplify right side
    60,208.40x = 2,437,979,178.48
  5. Step 5: Solve for x
    x = 2,437,979,178.48/60,208.40
  6. Step 6: Final answer
    x = 40,492.34

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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.