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Finding the Fourth Proportional to 7,295.60, 10,064.40 and 6,300.56

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Solution

The fourth proportional to 7,295.60, 10,064.40 and 6,300.56 is: 8,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.60 : 10,064.40 = 6,300.56 : x
  2. Step 2: Convert to fraction form
    7,295.60/10,064.40 = 6,300.56/x
  3. Step 3: Cross multiply
    7,295.60x = 10,064.40 × 6,300.56
  4. Step 4: Simplify right side
    7,295.60x = 63,411,356.06
  5. Step 5: Solve for x
    x = 63,411,356.06/7,295.60
  6. Step 6: Final answer
    x = 8,691.73

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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.