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Finding the Fourth Proportional to 77,325.36, 106,699.04 and 45,482.64

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Solution

The fourth proportional to 77,325.36, 106,699.04 and 45,482.64 is: 62,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.36 : 106,699.04 = 45,482.64 : x
  2. Step 2: Convert to fraction form
    77,325.36/106,699.04 = 45,482.64/x
  3. Step 3: Cross multiply
    77,325.36x = 106,699.04 × 45,482.64
  4. Step 4: Simplify right side
    77,325.36x = 4,852,954,024.67
  5. Step 5: Solve for x
    x = 4,852,954,024.67/77,325.36
  6. Step 6: Final answer
    x = 62,760.19

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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.