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Finding the Fourth Proportional to 30,303.54, 45,476.06 and 10,582.10

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Solution

The fourth proportional to 30,303.54, 45,476.06 and 10,582.10 is: 15,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.54 : 45,476.06 = 10,582.10 : x
  2. Step 2: Convert to fraction form
    30,303.54/45,476.06 = 10,582.10/x
  3. Step 3: Cross multiply
    30,303.54x = 45,476.06 × 10,582.10
  4. Step 4: Simplify right side
    30,303.54x = 481,232,214.53
  5. Step 5: Solve for x
    x = 481,232,214.53/30,303.54
  6. Step 6: Final answer
    x = 15,880.40

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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.