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Finding the Fourth Proportional to 15,513.66, 23,095.04 and 15,421.41

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Solution

The fourth proportional to 15,513.66, 23,095.04 and 15,421.41 is: 22,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.66 : 23,095.04 = 15,421.41 : x
  2. Step 2: Convert to fraction form
    15,513.66/23,095.04 = 15,421.41/x
  3. Step 3: Cross multiply
    15,513.66x = 23,095.04 × 15,421.41
  4. Step 4: Simplify right side
    15,513.66x = 356,158,003.70
  5. Step 5: Solve for x
    x = 356,158,003.70/15,513.66
  6. Step 6: Final answer
    x = 22,957.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.