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Finding the Fourth Proportional to 64,859.40, 97,289.10 and 35,334.90

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Solution

The fourth proportional to 64,859.40, 97,289.10 and 35,334.90 is: 53,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.40 : 97,289.10 = 35,334.90 : x
  2. Step 2: Convert to fraction form
    64,859.40/97,289.10 = 35,334.90/x
  3. Step 3: Cross multiply
    64,859.40x = 97,289.10 × 35,334.90
  4. Step 4: Simplify right side
    64,859.40x = 3,437,700,619.59
  5. Step 5: Solve for x
    x = 3,437,700,619.59/64,859.40
  6. Step 6: Final answer
    x = 53,002.35

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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.