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Finding the Fourth Proportional to 5,801.40, 8,700.34 and 1,641.08

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Solution

The fourth proportional to 5,801.40, 8,700.34 and 1,641.08 is: 2,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.40 : 8,700.34 = 1,641.08 : x
  2. Step 2: Convert to fraction form
    5,801.40/8,700.34 = 1,641.08/x
  3. Step 3: Cross multiply
    5,801.40x = 8,700.34 × 1,641.08
  4. Step 4: Simplify right side
    5,801.40x = 14,277,953.97
  5. Step 5: Solve for x
    x = 14,277,953.97/5,801.40
  6. Step 6: Final answer
    x = 2,461.12

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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.