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Finding the Fourth Proportional to 8,927.90, 13,394.89 and 4,307.74

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Solution

The fourth proportional to 8,927.90, 13,394.89 and 4,307.74 is: 6,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.90 : 13,394.89 = 4,307.74 : x
  2. Step 2: Convert to fraction form
    8,927.90/13,394.89 = 4,307.74/x
  3. Step 3: Cross multiply
    8,927.90x = 13,394.89 × 4,307.74
  4. Step 4: Simplify right side
    8,927.90x = 57,701,703.45
  5. Step 5: Solve for x
    x = 57,701,703.45/8,927.90
  6. Step 6: Final answer
    x = 6,463.08

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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.