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Finding the Fourth Proportional to 64,890.80, 97,336.20 and 23,332.40

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Solution

The fourth proportional to 64,890.80, 97,336.20 and 23,332.40 is: 34,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.80 : 97,336.20 = 23,332.40 : x
  2. Step 2: Convert to fraction form
    64,890.80/97,336.20 = 23,332.40/x
  3. Step 3: Cross multiply
    64,890.80x = 97,336.20 × 23,332.40
  4. Step 4: Simplify right side
    64,890.80x = 2,271,087,152.88
  5. Step 5: Solve for x
    x = 2,271,087,152.88/64,890.80
  6. Step 6: Final answer
    x = 34,998.60

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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.