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Finding the Fourth Proportional to 64,397.60, 96,596.40 and 17,012.60

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Solution

The fourth proportional to 64,397.60, 96,596.40 and 17,012.60 is: 25,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.60 : 96,596.40 = 17,012.60 : x
  2. Step 2: Convert to fraction form
    64,397.60/96,596.40 = 17,012.60/x
  3. Step 3: Cross multiply
    64,397.60x = 96,596.40 × 17,012.60
  4. Step 4: Simplify right side
    64,397.60x = 1,643,355,914.64
  5. Step 5: Solve for x
    x = 1,643,355,914.64/64,397.60
  6. Step 6: Final answer
    x = 25,518.90

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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.