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Finding the Fourth Proportional to 10,364.70, 15,547.05 and 10,148.70

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Solution

The fourth proportional to 10,364.70, 15,547.05 and 10,148.70 is: 15,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.70 : 15,547.05 = 10,148.70 : x
  2. Step 2: Convert to fraction form
    10,364.70/15,547.05 = 10,148.70/x
  3. Step 3: Cross multiply
    10,364.70x = 15,547.05 × 10,148.70
  4. Step 4: Simplify right side
    10,364.70x = 157,782,346.34
  5. Step 5: Solve for x
    x = 157,782,346.34/10,364.70
  6. Step 6: Final answer
    x = 15,223.05

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