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Finding the Fourth Proportional to 14,679,854.80, 20,594,312 and 14,679,854.80

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Solution

The fourth proportional to 14,679,854.80, 20,594,312 and 14,679,854.80 is: 20,594,312

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,854.80 : 20,594,312 = 14,679,854.80 : x
  2. Step 2: Convert to fraction form
    14,679,854.80/20,594,312 = 14,679,854.80/x
  3. Step 3: Cross multiply
    14,679,854.80x = 20,594,312 × 14,679,854.80
  4. Step 4: Simplify right side
    14,679,854.80x = 302,321,509,865,897.62
  5. Step 5: Solve for x
    x = 302,321,509,865,897.62/14,679,854.80
  6. Step 6: Final answer
    x = 20,594,312

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.