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Finding the Fourth Proportional to 55,570.50, 83,355.75 and 14,017.50

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Solution

The fourth proportional to 55,570.50, 83,355.75 and 14,017.50 is: 21,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.50 : 83,355.75 = 14,017.50 : x
  2. Step 2: Convert to fraction form
    55,570.50/83,355.75 = 14,017.50/x
  3. Step 3: Cross multiply
    55,570.50x = 83,355.75 × 14,017.50
  4. Step 4: Simplify right side
    55,570.50x = 1,168,439,225.63
  5. Step 5: Solve for x
    x = 1,168,439,225.63/55,570.50
  6. Step 6: Final answer
    x = 21,026.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.