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Finding the Fourth Proportional to 65,356.40, 97,295.50 and 64,967.60

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Solution

The fourth proportional to 65,356.40, 97,295.50 and 64,967.60 is: 96,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,356.40 : 97,295.50 = 64,967.60 : x
  2. Step 2: Convert to fraction form
    65,356.40/97,295.50 = 64,967.60/x
  3. Step 3: Cross multiply
    65,356.40x = 97,295.50 × 64,967.60
  4. Step 4: Simplify right side
    65,356.40x = 6,321,055,125.80
  5. Step 5: Solve for x
    x = 6,321,055,125.80/65,356.40
  6. Step 6: Final answer
    x = 96,716.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.