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Finding the Fourth Proportional to 39,953.72, 59,915.00 and 14,980.16

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Solution

The fourth proportional to 39,953.72, 59,915.00 and 14,980.16 is: 22,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.72 : 59,915.00 = 14,980.16 : x
  2. Step 2: Convert to fraction form
    39,953.72/59,915.00 = 14,980.16/x
  3. Step 3: Cross multiply
    39,953.72x = 59,915.00 × 14,980.16
  4. Step 4: Simplify right side
    39,953.72x = 897,536,473.64
  5. Step 5: Solve for x
    x = 897,536,473.64/39,953.72
  6. Step 6: Final answer
    x = 22,464.40

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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.