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Finding the Fourth Proportional to 96,465, 144,691.90 and 28,995.58

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Solution

The fourth proportional to 96,465, 144,691.90 and 28,995.58 is: 43,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,465 : 144,691.90 = 28,995.58 : x
  2. Step 2: Convert to fraction form
    96,465/144,691.90 = 28,995.58/x
  3. Step 3: Cross multiply
    96,465x = 144,691.90 × 28,995.58
  4. Step 4: Simplify right side
    96,465x = 4,195,425,561.80
  5. Step 5: Solve for x
    x = 4,195,425,561.80/96,465
  6. Step 6: Final answer
    x = 43,491.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.