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Finding the Fourth Proportional to 64,955.20, 97,365.60 and 35,310.40

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Solution

The fourth proportional to 64,955.20, 97,365.60 and 35,310.40 is: 52,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.20 : 97,365.60 = 35,310.40 : x
  2. Step 2: Convert to fraction form
    64,955.20/97,365.60 = 35,310.40/x
  3. Step 3: Cross multiply
    64,955.20x = 97,365.60 × 35,310.40
  4. Step 4: Simplify right side
    64,955.20x = 3,438,018,282.24
  5. Step 5: Solve for x
    x = 3,438,018,282.24/64,955.20
  6. Step 6: Final answer
    x = 52,929.07

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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.