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Finding the Fourth Proportional to 7,289.66, 10,064.32 and 5,050.74

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Solution

The fourth proportional to 7,289.66, 10,064.32 and 5,050.74 is: 6,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.66 : 10,064.32 = 5,050.74 : x
  2. Step 2: Convert to fraction form
    7,289.66/10,064.32 = 5,050.74/x
  3. Step 3: Cross multiply
    7,289.66x = 10,064.32 × 5,050.74
  4. Step 4: Simplify right side
    7,289.66x = 50,832,263.60
  5. Step 5: Solve for x
    x = 50,832,263.60/7,289.66
  6. Step 6: Final answer
    x = 6,973.20

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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.