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Finding the Fourth Proportional to 60,394.46, 90,602.83 and 19,870.25

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Solution

The fourth proportional to 60,394.46, 90,602.83 and 19,870.25 is: 29,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,394.46 : 90,602.83 = 19,870.25 : x
  2. Step 2: Convert to fraction form
    60,394.46/90,602.83 = 19,870.25/x
  3. Step 3: Cross multiply
    60,394.46x = 90,602.83 × 19,870.25
  4. Step 4: Simplify right side
    60,394.46x = 1,800,300,908.39
  5. Step 5: Solve for x
    x = 1,800,300,908.39/60,394.46
  6. Step 6: Final answer
    x = 29,809.04

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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.