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Finding the Fourth Proportional to 15,472.86, 23,212.65 and 4,946.10

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Solution

The fourth proportional to 15,472.86, 23,212.65 and 4,946.10 is: 7,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.86 : 23,212.65 = 4,946.10 : x
  2. Step 2: Convert to fraction form
    15,472.86/23,212.65 = 4,946.10/x
  3. Step 3: Cross multiply
    15,472.86x = 23,212.65 × 4,946.10
  4. Step 4: Simplify right side
    15,472.86x = 114,812,088.17
  5. Step 5: Solve for x
    x = 114,812,088.17/15,472.86
  6. Step 6: Final answer
    x = 7,420.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.