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Finding the Fourth Proportional to 32,763.63, 45,210.67 and 19,154.87

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Solution

The fourth proportional to 32,763.63, 45,210.67 and 19,154.87 is: 26,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.63 : 45,210.67 = 19,154.87 : x
  2. Step 2: Convert to fraction form
    32,763.63/45,210.67 = 19,154.87/x
  3. Step 3: Cross multiply
    32,763.63x = 45,210.67 × 19,154.87
  4. Step 4: Simplify right side
    32,763.63x = 866,004,506.46
  5. Step 5: Solve for x
    x = 866,004,506.46/32,763.63
  6. Step 6: Final answer
    x = 26,431.89

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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.