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Finding the Fourth Proportional to 64,983.80, 97,461.12 and 29,889.74

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Solution

The fourth proportional to 64,983.80, 97,461.12 and 29,889.74 is: 44,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.80 : 97,461.12 = 29,889.74 : x
  2. Step 2: Convert to fraction form
    64,983.80/97,461.12 = 29,889.74/x
  3. Step 3: Cross multiply
    64,983.80x = 97,461.12 × 29,889.74
  4. Step 4: Simplify right side
    64,983.80x = 2,913,087,536.91
  5. Step 5: Solve for x
    x = 2,913,087,536.91/64,983.80
  6. Step 6: Final answer
    x = 44,827.90

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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.