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Finding the Fourth Proportional to 60,020.19, 90,038.39 and 22,064.40

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Solution

The fourth proportional to 60,020.19, 90,038.39 and 22,064.40 is: 33,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,020.19 : 90,038.39 = 22,064.40 : x
  2. Step 2: Convert to fraction form
    60,020.19/90,038.39 = 22,064.40/x
  3. Step 3: Cross multiply
    60,020.19x = 90,038.39 × 22,064.40
  4. Step 4: Simplify right side
    60,020.19x = 1,986,642,941.99
  5. Step 5: Solve for x
    x = 1,986,642,941.99/60,020.19
  6. Step 6: Final answer
    x = 33,099.58

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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.