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Finding the Fourth Proportional to 8,807.17, 12,154.19 and 4,828.27

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Solution

The fourth proportional to 8,807.17, 12,154.19 and 4,828.27 is: 6,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.17 : 12,154.19 = 4,828.27 : x
  2. Step 2: Convert to fraction form
    8,807.17/12,154.19 = 4,828.27/x
  3. Step 3: Cross multiply
    8,807.17x = 12,154.19 × 4,828.27
  4. Step 4: Simplify right side
    8,807.17x = 58,683,710.95
  5. Step 5: Solve for x
    x = 58,683,710.95/8,807.17
  6. Step 6: Final answer
    x = 6,663.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.