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Finding the Fourth Proportional to 10,501.92, 15,752.60 and 4,953.92

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Solution

The fourth proportional to 10,501.92, 15,752.60 and 4,953.92 is: 7,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.92 : 15,752.60 = 4,953.92 : x
  2. Step 2: Convert to fraction form
    10,501.92/15,752.60 = 4,953.92/x
  3. Step 3: Cross multiply
    10,501.92x = 15,752.60 × 4,953.92
  4. Step 4: Simplify right side
    10,501.92x = 78,037,120.19
  5. Step 5: Solve for x
    x = 78,037,120.19/10,501.92
  6. Step 6: Final answer
    x = 7,430.75

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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.