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Finding the Fourth Proportional to 32,639.40, 45,041.64 and 19,029.96

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Solution

The fourth proportional to 32,639.40, 45,041.64 and 19,029.96 is: 26,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.40 : 45,041.64 = 19,029.96 : x
  2. Step 2: Convert to fraction form
    32,639.40/45,041.64 = 19,029.96/x
  3. Step 3: Cross multiply
    32,639.40x = 45,041.64 × 19,029.96
  4. Step 4: Simplify right side
    32,639.40x = 857,140,607.53
  5. Step 5: Solve for x
    x = 857,140,607.53/32,639.40
  6. Step 6: Final answer
    x = 26,260.92

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1.5x scale

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.