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Finding the Fourth Proportional to 66,006.40, 99,024.80 and 26,564.80

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Solution

The fourth proportional to 66,006.40, 99,024.80 and 26,564.80 is: 39,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.40 : 99,024.80 = 26,564.80 : x
  2. Step 2: Convert to fraction form
    66,006.40/99,024.80 = 26,564.80/x
  3. Step 3: Cross multiply
    66,006.40x = 99,024.80 × 26,564.80
  4. Step 4: Simplify right side
    66,006.40x = 2,630,574,007.04
  5. Step 5: Solve for x
    x = 2,630,574,007.04/66,006.40
  6. Step 6: Final answer
    x = 39,853.32

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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.