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Finding the Fourth Proportional to 32,912.10, 49,368.15 and 13,204.80

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Solution

The fourth proportional to 32,912.10, 49,368.15 and 13,204.80 is: 19,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.10 : 49,368.15 = 13,204.80 : x
  2. Step 2: Convert to fraction form
    32,912.10/49,368.15 = 13,204.80/x
  3. Step 3: Cross multiply
    32,912.10x = 49,368.15 × 13,204.80
  4. Step 4: Simplify right side
    32,912.10x = 651,896,547.12
  5. Step 5: Solve for x
    x = 651,896,547.12/32,912.10
  6. Step 6: Final answer
    x = 19,807.20

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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.