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Finding the Fourth Proportional to 64,953.60, 97,381.80 and 35,404.80

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Solution

The fourth proportional to 64,953.60, 97,381.80 and 35,404.80 is: 53,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,953.60 : 97,381.80 = 35,404.80 : x
  2. Step 2: Convert to fraction form
    64,953.60/97,381.80 = 35,404.80/x
  3. Step 3: Cross multiply
    64,953.60x = 97,381.80 × 35,404.80
  4. Step 4: Simplify right side
    64,953.60x = 3,447,783,152.64
  5. Step 5: Solve for x
    x = 3,447,783,152.64/64,953.60
  6. Step 6: Final answer
    x = 53,080.71

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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.