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Finding the Fourth Proportional to 35,248.80, 48,645.90 and 23,291.40

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Solution

The fourth proportional to 35,248.80, 48,645.90 and 23,291.40 is: 32,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,248.80 : 48,645.90 = 23,291.40 : x
  2. Step 2: Convert to fraction form
    35,248.80/48,645.90 = 23,291.40/x
  3. Step 3: Cross multiply
    35,248.80x = 48,645.90 × 23,291.40
  4. Step 4: Simplify right side
    35,248.80x = 1,133,031,115.26
  5. Step 5: Solve for x
    x = 1,133,031,115.26/35,248.80
  6. Step 6: Final answer
    x = 32,143.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.