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Finding the Fourth Proportional to 84,483.60, 116,447.40 and 60,572.40

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Solution

The fourth proportional to 84,483.60, 116,447.40 and 60,572.40 is: 83,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483.60 : 116,447.40 = 60,572.40 : x
  2. Step 2: Convert to fraction form
    84,483.60/116,447.40 = 60,572.40/x
  3. Step 3: Cross multiply
    84,483.60x = 116,447.40 × 60,572.40
  4. Step 4: Simplify right side
    84,483.60x = 7,053,498,491.76
  5. Step 5: Solve for x
    x = 7,053,498,491.76/84,483.60
  6. Step 6: Final answer
    x = 83,489.56

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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.