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Finding the Fourth Proportional to 8,953.43, 12,332.13 and 8,904.16

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Solution

The fourth proportional to 8,953.43, 12,332.13 and 8,904.16 is: 12,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.43 : 12,332.13 = 8,904.16 : x
  2. Step 2: Convert to fraction form
    8,953.43/12,332.13 = 8,904.16/x
  3. Step 3: Cross multiply
    8,953.43x = 12,332.13 × 8,904.16
  4. Step 4: Simplify right side
    8,953.43x = 109,807,197.00
  5. Step 5: Solve for x
    x = 109,807,197.00/8,953.43
  6. Step 6: Final answer
    x = 12,264.26

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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.