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Finding the Fourth Proportional to 75,622.44, 104,358.90 and 46,931.40

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Solution

The fourth proportional to 75,622.44, 104,358.90 and 46,931.40 is: 64,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.44 : 104,358.90 = 46,931.40 : x
  2. Step 2: Convert to fraction form
    75,622.44/104,358.90 = 46,931.40/x
  3. Step 3: Cross multiply
    75,622.44x = 104,358.90 × 46,931.40
  4. Step 4: Simplify right side
    75,622.44x = 4,897,709,279.46
  5. Step 5: Solve for x
    x = 4,897,709,279.46/75,622.44
  6. Step 6: Final answer
    x = 64,765.29

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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.