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Finding the Fourth Proportional to 7,898.58, 10,899.08 and 4,712.04

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Solution

The fourth proportional to 7,898.58, 10,899.08 and 4,712.04 is: 6,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.58 : 10,899.08 = 4,712.04 : x
  2. Step 2: Convert to fraction form
    7,898.58/10,899.08 = 4,712.04/x
  3. Step 3: Cross multiply
    7,898.58x = 10,899.08 × 4,712.04
  4. Step 4: Simplify right side
    7,898.58x = 51,356,953.57
  5. Step 5: Solve for x
    x = 51,356,953.57/7,898.58
  6. Step 6: Final answer
    x = 6,502.05

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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.