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Finding the Fourth Proportional to 55,329.40, 82,994.10 and 32,001.40

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Solution

The fourth proportional to 55,329.40, 82,994.10 and 32,001.40 is: 48,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.40 : 82,994.10 = 32,001.40 : x
  2. Step 2: Convert to fraction form
    55,329.40/82,994.10 = 32,001.40/x
  3. Step 3: Cross multiply
    55,329.40x = 82,994.10 × 32,001.40
  4. Step 4: Simplify right side
    55,329.40x = 2,655,927,391.74
  5. Step 5: Solve for x
    x = 2,655,927,391.74/55,329.40
  6. Step 6: Final answer
    x = 48,002.10

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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.