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Finding the Fourth Proportional to 9,970.02, 14,955.17 and 4,774.68

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Solution

The fourth proportional to 9,970.02, 14,955.17 and 4,774.68 is: 7,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.02 : 14,955.17 = 4,774.68 : x
  2. Step 2: Convert to fraction form
    9,970.02/14,955.17 = 4,774.68/x
  3. Step 3: Cross multiply
    9,970.02x = 14,955.17 × 4,774.68
  4. Step 4: Simplify right side
    9,970.02x = 71,406,127.22
  5. Step 5: Solve for x
    x = 71,406,127.22/9,970.02
  6. Step 6: Final answer
    x = 7,162.08

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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.