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Finding the Fourth Proportional to 30,009.40, 44,985.30 and 23,342.20

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Solution

The fourth proportional to 30,009.40, 44,985.30 and 23,342.20 is: 34,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.40 : 44,985.30 = 23,342.20 : x
  2. Step 2: Convert to fraction form
    30,009.40/44,985.30 = 23,342.20/x
  3. Step 3: Cross multiply
    30,009.40x = 44,985.30 × 23,342.20
  4. Step 4: Simplify right side
    30,009.40x = 1,050,055,869.66
  5. Step 5: Solve for x
    x = 1,050,055,869.66/30,009.40
  6. Step 6: Final answer
    x = 34,990.90

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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.