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Finding the Fourth Proportional to 7,689.43, 10,598.95 and 6,007.91

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Solution

The fourth proportional to 7,689.43, 10,598.95 and 6,007.91 is: 8,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.43 : 10,598.95 = 6,007.91 : x
  2. Step 2: Convert to fraction form
    7,689.43/10,598.95 = 6,007.91/x
  3. Step 3: Cross multiply
    7,689.43x = 10,598.95 × 6,007.91
  4. Step 4: Simplify right side
    7,689.43x = 63,677,492.21
  5. Step 5: Solve for x
    x = 63,677,492.21/7,689.43
  6. Step 6: Final answer
    x = 8,281.17

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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.