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Finding the Fourth Proportional to 7,903.08, 10,904.70 and 4,759.47

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Solution

The fourth proportional to 7,903.08, 10,904.70 and 4,759.47 is: 6,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.08 : 10,904.70 = 4,759.47 : x
  2. Step 2: Convert to fraction form
    7,903.08/10,904.70 = 4,759.47/x
  3. Step 3: Cross multiply
    7,903.08x = 10,904.70 × 4,759.47
  4. Step 4: Simplify right side
    7,903.08x = 51,900,592.51
  5. Step 5: Solve for x
    x = 51,900,592.51/7,903.08
  6. Step 6: Final answer
    x = 6,567.13

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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.