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Finding the Fourth Proportional to 16,585.40, 22,887.58 and 9,133.40

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Solution

The fourth proportional to 16,585.40, 22,887.58 and 9,133.40 is: 12,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,585.40 : 22,887.58 = 9,133.40 : x
  2. Step 2: Convert to fraction form
    16,585.40/22,887.58 = 9,133.40/x
  3. Step 3: Cross multiply
    16,585.40x = 22,887.58 × 9,133.40
  4. Step 4: Simplify right side
    16,585.40x = 209,041,423.17
  5. Step 5: Solve for x
    x = 209,041,423.17/16,585.40
  6. Step 6: Final answer
    x = 12,603.94

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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.