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Finding the Fourth Proportional to 56,866.24, 78,491.84 and 32,998.24

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Solution

The fourth proportional to 56,866.24, 78,491.84 and 32,998.24 is: 45,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.24 : 78,491.84 = 32,998.24 : x
  2. Step 2: Convert to fraction form
    56,866.24/78,491.84 = 32,998.24/x
  3. Step 3: Cross multiply
    56,866.24x = 78,491.84 × 32,998.24
  4. Step 4: Simplify right side
    56,866.24x = 2,590,092,574.36
  5. Step 5: Solve for x
    x = 2,590,092,574.36/56,866.24
  6. Step 6: Final answer
    x = 45,547.10

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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.