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Finding the Fourth Proportional to 59,110.40, 88,673.70 and 21,661.40

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Solution

The fourth proportional to 59,110.40, 88,673.70 and 21,661.40 is: 32,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.40 : 88,673.70 = 21,661.40 : x
  2. Step 2: Convert to fraction form
    59,110.40/88,673.70 = 21,661.40/x
  3. Step 3: Cross multiply
    59,110.40x = 88,673.70 × 21,661.40
  4. Step 4: Simplify right side
    59,110.40x = 1,920,796,485.18
  5. Step 5: Solve for x
    x = 1,920,796,485.18/59,110.40
  6. Step 6: Final answer
    x = 32,495.07

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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.