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Finding the Fourth Proportional to 60,001.80, 89,808.30 and 53,003.40

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Solution

The fourth proportional to 60,001.80, 89,808.30 and 53,003.40 is: 79,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,001.80 : 89,808.30 = 53,003.40 : x
  2. Step 2: Convert to fraction form
    60,001.80/89,808.30 = 53,003.40/x
  3. Step 3: Cross multiply
    60,001.80x = 89,808.30 × 53,003.40
  4. Step 4: Simplify right side
    60,001.80x = 4,760,145,248.22
  5. Step 5: Solve for x
    x = 4,760,145,248.22/60,001.80
  6. Step 6: Final answer
    x = 79,333.37

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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.