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Finding the Fourth Proportional to 7,259.95, 10,019.70 and 4,275.75

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Solution

The fourth proportional to 7,259.95, 10,019.70 and 4,275.75 is: 5,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.95 : 10,019.70 = 4,275.75 : x
  2. Step 2: Convert to fraction form
    7,259.95/10,019.70 = 4,275.75/x
  3. Step 3: Cross multiply
    7,259.95x = 10,019.70 × 4,275.75
  4. Step 4: Simplify right side
    7,259.95x = 42,841,769.85
  5. Step 5: Solve for x
    x = 42,841,769.85/7,259.95
  6. Step 6: Final answer
    x = 5,901.11

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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.