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Finding the Fourth Proportional to 30,483.01, 45,712.32 and 11,752.66

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Solution

The fourth proportional to 30,483.01, 45,712.32 and 11,752.66 is: 17,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.01 : 45,712.32 = 11,752.66 : x
  2. Step 2: Convert to fraction form
    30,483.01/45,712.32 = 11,752.66/x
  3. Step 3: Cross multiply
    30,483.01x = 45,712.32 × 11,752.66
  4. Step 4: Simplify right side
    30,483.01x = 537,241,354.77
  5. Step 5: Solve for x
    x = 537,241,354.77/30,483.01
  6. Step 6: Final answer
    x = 17,624.29

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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.