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Finding the Fourth Proportional to 32,698.89, 49,048.08 and 21,655.01

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Solution

The fourth proportional to 32,698.89, 49,048.08 and 21,655.01 is: 32,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.89 : 49,048.08 = 21,655.01 : x
  2. Step 2: Convert to fraction form
    32,698.89/49,048.08 = 21,655.01/x
  3. Step 3: Cross multiply
    32,698.89x = 49,048.08 × 21,655.01
  4. Step 4: Simplify right side
    32,698.89x = 1,062,136,417.64
  5. Step 5: Solve for x
    x = 1,062,136,417.64/32,698.89
  6. Step 6: Final answer
    x = 32,482.34

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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.