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Finding the Fourth Proportional to 16,632.85, 22,952.73 and 9,915.01

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Solution

The fourth proportional to 16,632.85, 22,952.73 and 9,915.01 is: 13,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632.85 : 22,952.73 = 9,915.01 : x
  2. Step 2: Convert to fraction form
    16,632.85/22,952.73 = 9,915.01/x
  3. Step 3: Cross multiply
    16,632.85x = 22,952.73 × 9,915.01
  4. Step 4: Simplify right side
    16,632.85x = 227,576,547.48
  5. Step 5: Solve for x
    x = 227,576,547.48/16,632.85
  6. Step 6: Final answer
    x = 13,682.35

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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.