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Finding the Fourth Proportional to 65,065.26, 97,607.60 and 20,693.46

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Solution

The fourth proportional to 65,065.26, 97,607.60 and 20,693.46 is: 31,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,065.26 : 97,607.60 = 20,693.46 : x
  2. Step 2: Convert to fraction form
    65,065.26/97,607.60 = 20,693.46/x
  3. Step 3: Cross multiply
    65,065.26x = 97,607.60 × 20,693.46
  4. Step 4: Simplify right side
    65,065.26x = 2,019,838,966.30
  5. Step 5: Solve for x
    x = 2,019,838,966.30/65,065.26
  6. Step 6: Final answer
    x = 31,043.28

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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.