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Finding the Fourth Proportional to 4,953.58, 7,386.71 and 4,909.16

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Solution

The fourth proportional to 4,953.58, 7,386.71 and 4,909.16 is: 7,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.58 : 7,386.71 = 4,909.16 : x
  2. Step 2: Convert to fraction form
    4,953.58/7,386.71 = 4,909.16/x
  3. Step 3: Cross multiply
    4,953.58x = 7,386.71 × 4,909.16
  4. Step 4: Simplify right side
    4,953.58x = 36,262,535.18
  5. Step 5: Solve for x
    x = 36,262,535.18/4,953.58
  6. Step 6: Final answer
    x = 7,320.47

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.