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Finding the Fourth Proportional to 30,686.40, 46,000.80 and 24,019.20

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Solution

The fourth proportional to 30,686.40, 46,000.80 and 24,019.20 is: 36,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.40 : 46,000.80 = 24,019.20 : x
  2. Step 2: Convert to fraction form
    30,686.40/46,000.80 = 24,019.20/x
  3. Step 3: Cross multiply
    30,686.40x = 46,000.80 × 24,019.20
  4. Step 4: Simplify right side
    30,686.40x = 1,104,902,415.36
  5. Step 5: Solve for x
    x = 1,104,902,415.36/30,686.40
  6. Step 6: Final answer
    x = 36,006.26

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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.