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Finding the Fourth Proportional to 64,984.80, 97,462.62 and 29,890.74

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Solution

The fourth proportional to 64,984.80, 97,462.62 and 29,890.74 is: 44,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.80 : 97,462.62 = 29,890.74 : x
  2. Step 2: Convert to fraction form
    64,984.80/97,462.62 = 29,890.74/x
  3. Step 3: Cross multiply
    64,984.80x = 97,462.62 × 29,890.74
  4. Step 4: Simplify right side
    64,984.80x = 2,913,229,834.14
  5. Step 5: Solve for x
    x = 2,913,229,834.14/64,984.80
  6. Step 6: Final answer
    x = 44,829.40

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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.