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Finding the Fourth Proportional to 60,345.83, 90,483.46 and 18,213.28

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Solution

The fourth proportional to 60,345.83, 90,483.46 and 18,213.28 is: 27,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,345.83 : 90,483.46 = 18,213.28 : x
  2. Step 2: Convert to fraction form
    60,345.83/90,483.46 = 18,213.28/x
  3. Step 3: Cross multiply
    60,345.83x = 90,483.46 × 18,213.28
  4. Step 4: Simplify right side
    60,345.83x = 1,648,000,320.61
  5. Step 5: Solve for x
    x = 1,648,000,320.61/60,345.83
  6. Step 6: Final answer
    x = 27,309.26

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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.