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Finding the Fourth Proportional to 7,798.19, 10,762.43 and 4,349.12

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Solution

The fourth proportional to 7,798.19, 10,762.43 and 4,349.12 is: 6,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.19 : 10,762.43 = 4,349.12 : x
  2. Step 2: Convert to fraction form
    7,798.19/10,762.43 = 4,349.12/x
  3. Step 3: Cross multiply
    7,798.19x = 10,762.43 × 4,349.12
  4. Step 4: Simplify right side
    7,798.19x = 46,807,024.00
  5. Step 5: Solve for x
    x = 46,807,024.00/7,798.19
  6. Step 6: Final answer
    x = 6,002.30

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1.5x scale

Why These Related Problems?

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