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Finding the Fourth Proportional to 32,957.94, 45,484.29 and 18,812.91

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Solution

The fourth proportional to 32,957.94, 45,484.29 and 18,812.91 is: 25,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,957.94 : 45,484.29 = 18,812.91 : x
  2. Step 2: Convert to fraction form
    32,957.94/45,484.29 = 18,812.91/x
  3. Step 3: Cross multiply
    32,957.94x = 45,484.29 × 18,812.91
  4. Step 4: Simplify right side
    32,957.94x = 855,691,854.18
  5. Step 5: Solve for x
    x = 855,691,854.18/32,957.94
  6. Step 6: Final answer
    x = 25,963.15

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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.