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Finding the Fourth Proportional to 8,888.66, 13,341.08 and 4,732.16

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Solution

The fourth proportional to 8,888.66, 13,341.08 and 4,732.16 is: 7,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.66 : 13,341.08 = 4,732.16 : x
  2. Step 2: Convert to fraction form
    8,888.66/13,341.08 = 4,732.16/x
  3. Step 3: Cross multiply
    8,888.66x = 13,341.08 × 4,732.16
  4. Step 4: Simplify right side
    8,888.66x = 63,132,125.13
  5. Step 5: Solve for x
    x = 63,132,125.13/8,888.66
  6. Step 6: Final answer
    x = 7,102.55

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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.