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Finding the Fourth Proportional to 2,417.76, 3,335.76 and 1,533.24

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Solution

The fourth proportional to 2,417.76, 3,335.76 and 1,533.24 is: 2,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.76 : 3,335.76 = 1,533.24 : x
  2. Step 2: Convert to fraction form
    2,417.76/3,335.76 = 1,533.24/x
  3. Step 3: Cross multiply
    2,417.76x = 3,335.76 × 1,533.24
  4. Step 4: Simplify right side
    2,417.76x = 5,114,520.66
  5. Step 5: Solve for x
    x = 5,114,520.66/2,417.76
  6. Step 6: Final answer
    x = 2,115.40

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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.