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Finding the Fourth Proportional to 45,968.02, 68,956.02 and 12,688.10

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Solution

The fourth proportional to 45,968.02, 68,956.02 and 12,688.10 is: 19,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.02 : 68,956.02 = 12,688.10 : x
  2. Step 2: Convert to fraction form
    45,968.02/68,956.02 = 12,688.10/x
  3. Step 3: Cross multiply
    45,968.02x = 68,956.02 × 12,688.10
  4. Step 4: Simplify right side
    45,968.02x = 874,920,877.36
  5. Step 5: Solve for x
    x = 874,920,877.36/45,968.02
  6. Step 6: Final answer
    x = 19,033.25

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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.