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Finding the Fourth Proportional to 17,655.51, 26,482.86 and 8,888.07

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Solution

The fourth proportional to 17,655.51, 26,482.86 and 8,888.07 is: 13,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.51 : 26,482.86 = 8,888.07 : x
  2. Step 2: Convert to fraction form
    17,655.51/26,482.86 = 8,888.07/x
  3. Step 3: Cross multiply
    17,655.51x = 26,482.86 × 8,888.07
  4. Step 4: Simplify right side
    17,655.51x = 235,381,513.48
  5. Step 5: Solve for x
    x = 235,381,513.48/17,655.51
  6. Step 6: Final answer
    x = 13,331.90

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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.