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Finding the Fourth Proportional to 7,275.60, 10,038.60 and 4,133.52

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Solution

The fourth proportional to 7,275.60, 10,038.60 and 4,133.52 is: 5,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.60 : 10,038.60 = 4,133.52 : x
  2. Step 2: Convert to fraction form
    7,275.60/10,038.60 = 4,133.52/x
  3. Step 3: Cross multiply
    7,275.60x = 10,038.60 × 4,133.52
  4. Step 4: Simplify right side
    7,275.60x = 41,494,753.87
  5. Step 5: Solve for x
    x = 41,494,753.87/7,275.60
  6. Step 6: Final answer
    x = 5,703.28

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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.