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Finding the Fourth Proportional to 62,210.60, 93,315.90 and 42,252.20

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Solution

The fourth proportional to 62,210.60, 93,315.90 and 42,252.20 is: 63,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,210.60 : 93,315.90 = 42,252.20 : x
  2. Step 2: Convert to fraction form
    62,210.60/93,315.90 = 42,252.20/x
  3. Step 3: Cross multiply
    62,210.60x = 93,315.90 × 42,252.20
  4. Step 4: Simplify right side
    62,210.60x = 3,942,802,069.98
  5. Step 5: Solve for x
    x = 3,942,802,069.98/62,210.60
  6. Step 6: Final answer
    x = 63,378.30

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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.