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Finding the Fourth Proportional to 60,556.70, 90,798.60 and 31,032.20

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Solution

The fourth proportional to 60,556.70, 90,798.60 and 31,032.20 is: 46,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,556.70 : 90,798.60 = 31,032.20 : x
  2. Step 2: Convert to fraction form
    60,556.70/90,798.60 = 31,032.20/x
  3. Step 3: Cross multiply
    60,556.70x = 90,798.60 × 31,032.20
  4. Step 4: Simplify right side
    60,556.70x = 2,817,680,314.92
  5. Step 5: Solve for x
    x = 2,817,680,314.92/60,556.70
  6. Step 6: Final answer
    x = 46,529.62

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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.