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Finding the Fourth Proportional to 45,783, 63,177.40 and 25,364.36

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Solution

The fourth proportional to 45,783, 63,177.40 and 25,364.36 is: 35,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783 : 63,177.40 = 25,364.36 : x
  2. Step 2: Convert to fraction form
    45,783/63,177.40 = 25,364.36/x
  3. Step 3: Cross multiply
    45,783x = 63,177.40 × 25,364.36
  4. Step 4: Simplify right side
    45,783x = 1,602,454,317.46
  5. Step 5: Solve for x
    x = 1,602,454,317.46/45,783
  6. Step 6: Final answer
    x = 35,001.08

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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.