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Finding the Fourth Proportional to 75,018.56, 103,570.54 and 46,762.52

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Solution

The fourth proportional to 75,018.56, 103,570.54 and 46,762.52 is: 64,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.56 : 103,570.54 = 46,762.52 : x
  2. Step 2: Convert to fraction form
    75,018.56/103,570.54 = 46,762.52/x
  3. Step 3: Cross multiply
    75,018.56x = 103,570.54 × 46,762.52
  4. Step 4: Simplify right side
    75,018.56x = 4,843,219,448.16
  5. Step 5: Solve for x
    x = 4,843,219,448.16/75,018.56
  6. Step 6: Final answer
    x = 64,560.28

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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.