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Finding the Fourth Proportional to 64,232.60, 96,348.90 and 17,485.40

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Solution

The fourth proportional to 64,232.60, 96,348.90 and 17,485.40 is: 26,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,232.60 : 96,348.90 = 17,485.40 : x
  2. Step 2: Convert to fraction form
    64,232.60/96,348.90 = 17,485.40/x
  3. Step 3: Cross multiply
    64,232.60x = 96,348.90 × 17,485.40
  4. Step 4: Simplify right side
    64,232.60x = 1,684,699,056.06
  5. Step 5: Solve for x
    x = 1,684,699,056.06/64,232.60
  6. Step 6: Final answer
    x = 26,228.10

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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.