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Finding the Fourth Proportional to 9,888.90, 14,833.32 and 4,045.50

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Solution

The fourth proportional to 9,888.90, 14,833.32 and 4,045.50 is: 6,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.90 : 14,833.32 = 4,045.50 : x
  2. Step 2: Convert to fraction form
    9,888.90/14,833.32 = 4,045.50/x
  3. Step 3: Cross multiply
    9,888.90x = 14,833.32 × 4,045.50
  4. Step 4: Simplify right side
    9,888.90x = 60,008,196.06
  5. Step 5: Solve for x
    x = 60,008,196.06/9,888.90
  6. Step 6: Final answer
    x = 6,068.24

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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.