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Finding the Fourth Proportional to 64,017.40, 95,903.70 and 34,425.40

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Solution

The fourth proportional to 64,017.40, 95,903.70 and 34,425.40 is: 51,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.40 : 95,903.70 = 34,425.40 : x
  2. Step 2: Convert to fraction form
    64,017.40/95,903.70 = 34,425.40/x
  3. Step 3: Cross multiply
    64,017.40x = 95,903.70 × 34,425.40
  4. Step 4: Simplify right side
    64,017.40x = 3,301,523,233.98
  5. Step 5: Solve for x
    x = 3,301,523,233.98/64,017.40
  6. Step 6: Final answer
    x = 51,572.28

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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.