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Finding the Fourth Proportional to 8,877.51, 13,303.71 and 4,930.53

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Solution

The fourth proportional to 8,877.51, 13,303.71 and 4,930.53 is: 7,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.51 : 13,303.71 = 4,930.53 : x
  2. Step 2: Convert to fraction form
    8,877.51/13,303.71 = 4,930.53/x
  3. Step 3: Cross multiply
    8,877.51x = 13,303.71 × 4,930.53
  4. Step 4: Simplify right side
    8,877.51x = 65,594,341.27
  5. Step 5: Solve for x
    x = 65,594,341.27/8,877.51
  6. Step 6: Final answer
    x = 7,388.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.