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Finding the Fourth Proportional to 66,000.40, 98,914.20 and 26,525.20

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Solution

The fourth proportional to 66,000.40, 98,914.20 and 26,525.20 is: 39,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.40 : 98,914.20 = 26,525.20 : x
  2. Step 2: Convert to fraction form
    66,000.40/98,914.20 = 26,525.20/x
  3. Step 3: Cross multiply
    66,000.40x = 98,914.20 × 26,525.20
  4. Step 4: Simplify right side
    66,000.40x = 2,623,718,937.84
  5. Step 5: Solve for x
    x = 2,623,718,937.84/66,000.40
  6. Step 6: Final answer
    x = 39,753.08

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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.