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Finding the Fourth Proportional to 60,596.37, 90,916.41 and 21,159.30

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Solution

The fourth proportional to 60,596.37, 90,916.41 and 21,159.30 is: 31,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,596.37 : 90,916.41 = 21,159.30 : x
  2. Step 2: Convert to fraction form
    60,596.37/90,916.41 = 21,159.30/x
  3. Step 3: Cross multiply
    60,596.37x = 90,916.41 × 21,159.30
  4. Step 4: Simplify right side
    60,596.37x = 1,923,727,594.11
  5. Step 5: Solve for x
    x = 1,923,727,594.11/60,596.37
  6. Step 6: Final answer
    x = 31,746.58

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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.