Finding the Fourth Proportional to 7,570,606.98, 10,447,480.06 and 4,307,421.63
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Solution
The fourth proportional to 7,570,606.98, 10,447,480.06 and 4,307,421.63 is: 5,944,265.99
Step by Step Solution
- Step 1: Write the proportion equation
7,570,606.98 : 10,447,480.06 = 4,307,421.63 : x - Step 2: Convert to fraction form
7,570,606.98/10,447,480.06 = 4,307,421.63/x - Step 3: Cross multiply
7,570,606.98x = 10,447,480.06 × 4,307,421.63 - Step 4: Simplify right side
7,570,606.98x = 45,001,701,537,200.30 - Step 5: Solve for x
x = 45,001,701,537,200.30/7,570,606.98 - Step 6: Final answer
x = 5,944,265.99
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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.