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Finding the Fourth Proportional to 16,095.80, 21,798.45 and 16,095.80

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Solution

The fourth proportional to 16,095.80, 21,798.45 and 16,095.80 is: 21,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,095.80 : 21,798.45 = 16,095.80 : x
  2. Step 2: Convert to fraction form
    16,095.80/21,798.45 = 16,095.80/x
  3. Step 3: Cross multiply
    16,095.80x = 21,798.45 × 16,095.80
  4. Step 4: Simplify right side
    16,095.80x = 350,863,491.51
  5. Step 5: Solve for x
    x = 350,863,491.51/16,095.80
  6. Step 6: Final answer
    x = 21,798.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.