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Finding the Fourth Proportional to 7,445.55, 10,275.01 and 4,088.51

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Solution

The fourth proportional to 7,445.55, 10,275.01 and 4,088.51 is: 5,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.55 : 10,275.01 = 4,088.51 : x
  2. Step 2: Convert to fraction form
    7,445.55/10,275.01 = 4,088.51/x
  3. Step 3: Cross multiply
    7,445.55x = 10,275.01 × 4,088.51
  4. Step 4: Simplify right side
    7,445.55x = 42,009,481.14
  5. Step 5: Solve for x
    x = 42,009,481.14/7,445.55
  6. Step 6: Final answer
    x = 5,642.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.