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Finding the Fourth Proportional to 60,008.40, 82,810.08 and 33,148.80

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Solution

The fourth proportional to 60,008.40, 82,810.08 and 33,148.80 is: 45,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,008.40 : 82,810.08 = 33,148.80 : x
  2. Step 2: Convert to fraction form
    60,008.40/82,810.08 = 33,148.80/x
  3. Step 3: Cross multiply
    60,008.40x = 82,810.08 × 33,148.80
  4. Step 4: Simplify right side
    60,008.40x = 2,745,054,779.90
  5. Step 5: Solve for x
    x = 2,745,054,779.90/60,008.40
  6. Step 6: Final answer
    x = 45,744.51

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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.