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Finding the Fourth Proportional to 32,950.79, 45,483.18 and 20,030.02

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Solution

The fourth proportional to 32,950.79, 45,483.18 and 20,030.02 is: 27,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,950.79 : 45,483.18 = 20,030.02 : x
  2. Step 2: Convert to fraction form
    32,950.79/45,483.18 = 20,030.02/x
  3. Step 3: Cross multiply
    32,950.79x = 45,483.18 × 20,030.02
  4. Step 4: Simplify right side
    32,950.79x = 911,029,005.06
  5. Step 5: Solve for x
    x = 911,029,005.06/32,950.79
  6. Step 6: Final answer
    x = 27,648.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.