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Finding the Fourth Proportional to 39,663.70, 59,511.12 and 17,461.50

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Solution

The fourth proportional to 39,663.70, 59,511.12 and 17,461.50 is: 26,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.70 : 59,511.12 = 17,461.50 : x
  2. Step 2: Convert to fraction form
    39,663.70/59,511.12 = 17,461.50/x
  3. Step 3: Cross multiply
    39,663.70x = 59,511.12 × 17,461.50
  4. Step 4: Simplify right side
    39,663.70x = 1,039,153,242.37
  5. Step 5: Solve for x
    x = 1,039,153,242.37/39,663.70
  6. Step 6: Final answer
    x = 26,199.10

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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.