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Finding the Fourth Proportional to 48,117.70, 72,148.74 and 14,828.82

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Solution

The fourth proportional to 48,117.70, 72,148.74 and 14,828.82 is: 22,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.70 : 72,148.74 = 14,828.82 : x
  2. Step 2: Convert to fraction form
    48,117.70/72,148.74 = 14,828.82/x
  3. Step 3: Cross multiply
    48,117.70x = 72,148.74 × 14,828.82
  4. Step 4: Simplify right side
    48,117.70x = 1,069,880,678.69
  5. Step 5: Solve for x
    x = 1,069,880,678.69/48,117.70
  6. Step 6: Final answer
    x = 22,234.66

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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.