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Finding the Fourth Proportional to 7,877.59, 10,871.30 and 4,341.03

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Solution

The fourth proportional to 7,877.59, 10,871.30 and 4,341.03 is: 5,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.59 : 10,871.30 = 4,341.03 : x
  2. Step 2: Convert to fraction form
    7,877.59/10,871.30 = 4,341.03/x
  3. Step 3: Cross multiply
    7,877.59x = 10,871.30 × 4,341.03
  4. Step 4: Simplify right side
    7,877.59x = 47,192,590.51
  5. Step 5: Solve for x
    x = 47,192,590.51/7,877.59
  6. Step 6: Final answer
    x = 5,990.74

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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.