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Finding the Fourth Proportional to 7,472.35, 10,312.35 and 4,950.10

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Solution

The fourth proportional to 7,472.35, 10,312.35 and 4,950.10 is: 6,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.35 : 10,312.35 = 4,950.10 : x
  2. Step 2: Convert to fraction form
    7,472.35/10,312.35 = 4,950.10/x
  3. Step 3: Cross multiply
    7,472.35x = 10,312.35 × 4,950.10
  4. Step 4: Simplify right side
    7,472.35x = 51,047,112.17
  5. Step 5: Solve for x
    x = 51,047,112.17/7,472.35
  6. Step 6: Final answer
    x = 6,831.47

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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.