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Finding the Fourth Proportional to 35,872.47, 53,808.98 and 12,498.84

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Solution

The fourth proportional to 35,872.47, 53,808.98 and 12,498.84 is: 18,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.47 : 53,808.98 = 12,498.84 : x
  2. Step 2: Convert to fraction form
    35,872.47/53,808.98 = 12,498.84/x
  3. Step 3: Cross multiply
    35,872.47x = 53,808.98 × 12,498.84
  4. Step 4: Simplify right side
    35,872.47x = 672,549,769.09
  5. Step 5: Solve for x
    x = 672,549,769.09/35,872.47
  6. Step 6: Final answer
    x = 18,748.35

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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.