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Finding the Fourth Proportional to 32,530.79, 44,885.25 and 18,916.71

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Solution

The fourth proportional to 32,530.79, 44,885.25 and 18,916.71 is: 26,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,530.79 : 44,885.25 = 18,916.71 : x
  2. Step 2: Convert to fraction form
    32,530.79/44,885.25 = 18,916.71/x
  3. Step 3: Cross multiply
    32,530.79x = 44,885.25 × 18,916.71
  4. Step 4: Simplify right side
    32,530.79x = 849,081,257.53
  5. Step 5: Solve for x
    x = 849,081,257.53/32,530.79
  6. Step 6: Final answer
    x = 26,100.85

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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.