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Finding the Fourth Proportional to 21,669.59, 32,501.48 and 6,880.01

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Solution

The fourth proportional to 21,669.59, 32,501.48 and 6,880.01 is: 10,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.59 : 32,501.48 = 6,880.01 : x
  2. Step 2: Convert to fraction form
    21,669.59/32,501.48 = 6,880.01/x
  3. Step 3: Cross multiply
    21,669.59x = 32,501.48 × 6,880.01
  4. Step 4: Simplify right side
    21,669.59x = 223,610,310.51
  5. Step 5: Solve for x
    x = 223,610,310.51/21,669.59
  6. Step 6: Final answer
    x = 10,319.08

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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.