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Finding the Fourth Proportional to 34,830.06, 48,064.05 and 18,914.10

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Solution

The fourth proportional to 34,830.06, 48,064.05 and 18,914.10 is: 26,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.06 : 48,064.05 = 18,914.10 : x
  2. Step 2: Convert to fraction form
    34,830.06/48,064.05 = 18,914.10/x
  3. Step 3: Cross multiply
    34,830.06x = 48,064.05 × 18,914.10
  4. Step 4: Simplify right side
    34,830.06x = 909,088,248.11
  5. Step 5: Solve for x
    x = 909,088,248.11/34,830.06
  6. Step 6: Final answer
    x = 26,100.68

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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.