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Finding the Fourth Proportional to 8,888.16, 13,307.60 and 4,484.08

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Solution

The fourth proportional to 8,888.16, 13,307.60 and 4,484.08 is: 6,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.16 : 13,307.60 = 4,484.08 : x
  2. Step 2: Convert to fraction form
    8,888.16/13,307.60 = 4,484.08/x
  3. Step 3: Cross multiply
    8,888.16x = 13,307.60 × 4,484.08
  4. Step 4: Simplify right side
    8,888.16x = 59,672,343.01
  5. Step 5: Solve for x
    x = 59,672,343.01/8,888.16
  6. Step 6: Final answer
    x = 6,713.69

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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.