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Finding the Fourth Proportional to 48,295.60, 72,443.40 and 34,298.80

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Solution

The fourth proportional to 48,295.60, 72,443.40 and 34,298.80 is: 51,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.60 : 72,443.40 = 34,298.80 : x
  2. Step 2: Convert to fraction form
    48,295.60/72,443.40 = 34,298.80/x
  3. Step 3: Cross multiply
    48,295.60x = 72,443.40 × 34,298.80
  4. Step 4: Simplify right side
    48,295.60x = 2,484,721,687.92
  5. Step 5: Solve for x
    x = 2,484,721,687.92/48,295.60
  6. Step 6: Final answer
    x = 51,448.20

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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.