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Finding the Fourth Proportional to 86,596.90, 130,004.70 and 46,647.70

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Solution

The fourth proportional to 86,596.90, 130,004.70 and 46,647.70 is: 70,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,596.90 : 130,004.70 = 46,647.70 : x
  2. Step 2: Convert to fraction form
    86,596.90/130,004.70 = 46,647.70/x
  3. Step 3: Cross multiply
    86,596.90x = 130,004.70 × 46,647.70
  4. Step 4: Simplify right side
    86,596.90x = 6,064,420,244.19
  5. Step 5: Solve for x
    x = 6,064,420,244.19/86,596.90
  6. Step 6: Final answer
    x = 70,030.45

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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.