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Finding the Fourth Proportional to 58,948.80, 88,423.20 and 57,782.40

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Solution

The fourth proportional to 58,948.80, 88,423.20 and 57,782.40 is: 86,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,948.80 : 88,423.20 = 57,782.40 : x
  2. Step 2: Convert to fraction form
    58,948.80/88,423.20 = 57,782.40/x
  3. Step 3: Cross multiply
    58,948.80x = 88,423.20 × 57,782.40
  4. Step 4: Simplify right side
    58,948.80x = 5,109,304,711.68
  5. Step 5: Solve for x
    x = 5,109,304,711.68/58,948.80
  6. Step 6: Final answer
    x = 86,673.60

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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.