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Finding the Fourth Proportional to 30,495.17, 45,710.34 and 14,690.34

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Solution

The fourth proportional to 30,495.17, 45,710.34 and 14,690.34 is: 22,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.17 : 45,710.34 = 14,690.34 : x
  2. Step 2: Convert to fraction form
    30,495.17/45,710.34 = 14,690.34/x
  3. Step 3: Cross multiply
    30,495.17x = 45,710.34 × 14,690.34
  4. Step 4: Simplify right side
    30,495.17x = 671,500,436.12
  5. Step 5: Solve for x
    x = 671,500,436.12/30,495.17
  6. Step 6: Final answer
    x = 22,019.90

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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.