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Finding the Fourth Proportional to 59,969.72, 89,938.86 and 17,838.44

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Solution

The fourth proportional to 59,969.72, 89,938.86 and 17,838.44 is: 26,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.72 : 89,938.86 = 17,838.44 : x
  2. Step 2: Convert to fraction form
    59,969.72/89,938.86 = 17,838.44/x
  3. Step 3: Cross multiply
    59,969.72x = 89,938.86 × 17,838.44
  4. Step 4: Simplify right side
    59,969.72x = 1,604,368,957.78
  5. Step 5: Solve for x
    x = 1,604,368,957.78/59,969.72
  6. Step 6: Final answer
    x = 26,752.98

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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.