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Finding the Fourth Proportional to 64,953.60, 97,430.40 and 33,460.80

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Solution

The fourth proportional to 64,953.60, 97,430.40 and 33,460.80 is: 50,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,953.60 : 97,430.40 = 33,460.80 : x
  2. Step 2: Convert to fraction form
    64,953.60/97,430.40 = 33,460.80/x
  3. Step 3: Cross multiply
    64,953.60x = 97,430.40 × 33,460.80
  4. Step 4: Simplify right side
    64,953.60x = 3,260,099,128.32
  5. Step 5: Solve for x
    x = 3,260,099,128.32/64,953.60
  6. Step 6: Final answer
    x = 50,191.20

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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.