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Finding the Fourth Proportional to 53,981.87, 74,456.41 and 46,798.94

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Solution

The fourth proportional to 53,981.87, 74,456.41 and 46,798.94 is: 64,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.87 : 74,456.41 = 46,798.94 : x
  2. Step 2: Convert to fraction form
    53,981.87/74,456.41 = 46,798.94/x
  3. Step 3: Cross multiply
    53,981.87x = 74,456.41 × 46,798.94
  4. Step 4: Simplify right side
    53,981.87x = 3,484,480,457.93
  5. Step 5: Solve for x
    x = 3,484,480,457.93/53,981.87
  6. Step 6: Final answer
    x = 64,549.09

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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.