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Finding the Fourth Proportional to 10,473.40, 15,710.10 and 4,317.40

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Solution

The fourth proportional to 10,473.40, 15,710.10 and 4,317.40 is: 6,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.40 : 15,710.10 = 4,317.40 : x
  2. Step 2: Convert to fraction form
    10,473.40/15,710.10 = 4,317.40/x
  3. Step 3: Cross multiply
    10,473.40x = 15,710.10 × 4,317.40
  4. Step 4: Simplify right side
    10,473.40x = 67,826,785.74
  5. Step 5: Solve for x
    x = 67,826,785.74/10,473.40
  6. Step 6: Final answer
    x = 6,476.10

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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.