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Finding the Fourth Proportional to 32,959.16, 45,463.18 and 21,629.40

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Solution

The fourth proportional to 32,959.16, 45,463.18 and 21,629.40 is: 29,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,959.16 : 45,463.18 = 21,629.40 : x
  2. Step 2: Convert to fraction form
    32,959.16/45,463.18 = 21,629.40/x
  3. Step 3: Cross multiply
    32,959.16x = 45,463.18 × 21,629.40
  4. Step 4: Simplify right side
    32,959.16x = 983,341,305.49
  5. Step 5: Solve for x
    x = 983,341,305.49/32,959.16
  6. Step 6: Final answer
    x = 29,835.14

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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.