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Finding the Fourth Proportional to 75,053, 103,575.08 and 45,246.92

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Solution

The fourth proportional to 75,053, 103,575.08 and 45,246.92 is: 62,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,053 : 103,575.08 = 45,246.92 : x
  2. Step 2: Convert to fraction form
    75,053/103,575.08 = 45,246.92/x
  3. Step 3: Cross multiply
    75,053x = 103,575.08 × 45,246.92
  4. Step 4: Simplify right side
    75,053x = 4,686,453,358.75
  5. Step 5: Solve for x
    x = 4,686,453,358.75/75,053
  6. Step 6: Final answer
    x = 62,441.92

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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.