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Finding the Fourth Proportional to 16,597.65, 22,904.76 and 9,145.65

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Solution

The fourth proportional to 16,597.65, 22,904.76 and 9,145.65 is: 12,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,597.65 : 22,904.76 = 9,145.65 : x
  2. Step 2: Convert to fraction form
    16,597.65/22,904.76 = 9,145.65/x
  3. Step 3: Cross multiply
    16,597.65x = 22,904.76 × 9,145.65
  4. Step 4: Simplify right side
    16,597.65x = 209,478,918.29
  5. Step 5: Solve for x
    x = 209,478,918.29/16,597.65
  6. Step 6: Final answer
    x = 12,621.00

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Double scale
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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.