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Finding the Fourth Proportional to 64,418.40, 96,627.60 and 62,085.60

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Solution

The fourth proportional to 64,418.40, 96,627.60 and 62,085.60 is: 93,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.40 : 96,627.60 = 62,085.60 : x
  2. Step 2: Convert to fraction form
    64,418.40/96,627.60 = 62,085.60/x
  3. Step 3: Cross multiply
    64,418.40x = 96,627.60 × 62,085.60
  4. Step 4: Simplify right side
    64,418.40x = 5,999,182,522.56
  5. Step 5: Solve for x
    x = 5,999,182,522.56/64,418.40
  6. Step 6: Final answer
    x = 93,128.40

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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.